HSL(231, 29%, 16%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,29%,16%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 29%, 16%) color: hsl(231, 29%, 16%)
HEX #1D2135 color: #1D2135
RGB rgb(29, 33, 53) color: rgb(29, 33, 53)
CMYK cmyk(45%, 38%, 0%, 79%) —
HSV hsv(230, 45%, 21%) —
HWB hwb(230 12% 79%) color: hwb(230 12% 79%)
OKLCH oklch(0.2539 0.0383 274.7) color: oklch(0.2539 0.0383 274.7)
Lab lab(13.27 4.43 -13.66) color: lab(13.27 4.43 -13.66)
LCH lch(13.27 14.36 287.97) color: lch(13.27 14.36 287.97)

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 15.89:1
vs Black 1.32:1

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)

#1F1F30 — rgb(31, 31, 48)

Deuteranopia (Green-blind)

#1F1E2F — rgb(31, 30, 47)

Tritanopia (Blue-blind)

#1D2C2C — rgb(29, 44, 44)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 29%, 16%);

text

color: hsl(231, 29%, 16%);

border

border: 2px solid hsl(231, 29%, 16%);

gradient light

background: linear-gradient(to right, hsl(231, 29%, 36%), hsl(231, 29%, 16%));

gradient dark

background: linear-gradient(to right, hsl(231, 29%, 16%), hsl(231, 29%, 0%))

hex

background-color: #1D2135;

tailwind

bg-[hsl(231,29%,16%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 29%, 16%, 0.4);

css variable

--color-primary: hsl(231, 29%, 16%);

Related Colors

#25262C

231,9,16

#151B3D

231,49,16

#000000

231,29,0

#414976

231,29,36

#1D2635

216,29,16

#1D2435

221,29,16

#1D1D35

241,29,16

#1F1D35

246,29,16

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, 29%, 16%)?

HEX: #1D2135 | RGB: rgb(29, 33, 53) | CMYK: 45%, 38%, 0%, 79% | HSV: 230°, 45%, 21%. Copy any format from the conversion table above.

What colors go well with #1D2135?

The complementary color is HSL(51, 29%, 16%). 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, 29%, 16%) in CSS?

As HSL: color: hsl(231, 29%, 16%); — As HEX: color: #1D2135; — As RGB: color: rgb(29, 33, 53); — Tailwind CSS: bg-[hsl(231,29%,16%)] — CSS variable: --color-primary: hsl(231, 29%, 16%);