HSL(231, 65%, 34%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,65%,34%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 65%, 34%) color: hsl(231, 65%, 34%)
HEX #1E2F8F color: #1E2F8F
RGB rgb(30, 47, 143) color: rgb(30, 47, 143)
CMYK cmyk(79%, 67%, 0%, 44%) —
HSV hsv(231, 79%, 56%) —
HWB hwb(231 12% 44%) color: hwb(231 12% 44%)
OKLCH oklch(0.3618 0.1586 268.79) color: oklch(0.3618 0.1586 268.79)
Lab lab(24.61 29.5 -54.8) color: lab(24.61 29.5 -54.8)
LCH lch(24.61 62.24 298.29) color: lch(24.61 62.24 298.29)

Color Theory

Complementary

Triadic

Analogous

Tetradic (Square)

Split-Complementary

Accessibility (WCAG)

White text on color

Black text on color

Color on white bg

Colored text

Contrast Ratios

vs White 11.3:1
vs Black 1.86:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: FAIL ✗

AAA Normal (7:1)

on White: PASS ✓

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#252678 — rgb(37, 38, 120)

Deuteranopia (Green-blind)

#242372 — rgb(36, 35, 114)

Tritanopia (Blue-blind)

#1F6561 — rgb(31, 101, 97)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 65%, 34%);

text

color: hsl(231, 65%, 34%);

border

border: 2px solid hsl(231, 65%, 34%);

gradient light

background: linear-gradient(to right, hsl(231, 65%, 54%), hsl(231, 65%, 34%));

gradient dark

background: linear-gradient(to right, hsl(231, 65%, 34%), hsl(231, 65%, 14%))

hex

background-color: #1E2F8F;

tailwind

bg-[hsl(231,65%,34%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 65%, 34%, 0.4);

css variable

--color-primary: hsl(231, 65%, 34%);

Related Colors

#303B7E

231,45,34

#0D23A0

231,85,34

#0C133B

231,65,14

#3D54D6

231,65,54

#1E4B8F

216,65,34

#1E428F

221,65,34

#201E8F

241,65,34

#2A1E8F

246,65,34

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(231, 65%, 34%)?

HEX: #1E2F8F | RGB: rgb(30, 47, 143) | CMYK: 79%, 67%, 0%, 44% | HSV: 231°, 79%, 56%. Copy any format from the conversion table above.

What colors go well with #1E2F8F?

The complementary color is HSL(51, 65%, 34%). For a triadic harmony, use hues 231°, 351°, and 111°. For analogous combinations, try hues 201° and 261°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(231, 65%, 34%) in CSS?

As HSL: color: hsl(231, 65%, 34%); — As HEX: color: #1E2F8F; — As RGB: color: rgb(30, 47, 143); — Tailwind CSS: bg-[hsl(231,65%,34%)] — CSS variable: --color-primary: hsl(231, 65%, 34%);