HSL(221, 38%, 25%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,38%,25%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 38%, 25%) color: hsl(221, 38%, 25%)
HEX #283758 color: #283758
RGB rgb(40, 55, 88) color: rgb(40, 55, 88)
CMYK cmyk(55%, 38%, 0%, 65%)
HSV hsv(221, 55%, 35%)
HWB hwb(221 16% 65%) color: hwb(221 16% 65%)
OKLCH oklch(0.3403 0.0617 264.76) color: oklch(0.3403 0.0617 264.76)
Lab lab(23.3 4.56 -21.79) color: lab(23.3 4.56 -21.79)
LCH lch(23.3 22.26 281.82) color: lch(23.3 22.26 281.82)

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 11.81:1
vs Black 1.78:1

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)

#2E2F50 — rgb(46, 47, 80)

Deuteranopia (Green-blind)

#2E2D4E — rgb(46, 45, 78)

Tritanopia (Blue-blind)

#294A48 — rgb(41, 74, 72)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 38%, 25%);

text

color: hsl(221, 38%, 25%);

border

border: 2px solid hsl(221, 38%, 25%);

gradient light

background: linear-gradient(to right, hsl(221, 38%, 45%), hsl(221, 38%, 25%));

gradient dark

background: linear-gradient(to right, hsl(221, 38%, 25%), hsl(221, 38%, 5%))

hex

background-color: #283758;

tailwind

bg-[hsl(221,38%,25%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 38%, 25%, 0.4);

css variable

--color-primary: hsl(221, 38%, 25%);

Related Colors

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(221, 38%, 25%)?

HEX: #283758 | RGB: rgb(40, 55, 88) | CMYK: 55%, 38%, 0%, 65% | HSV: 221°, 55%, 35%. Copy any format from the conversion table above.

What colors go well with #283758?

The complementary color is HSL(41, 38%, 25%). For a triadic harmony, use hues 221°, 341°, and 101°. For analogous combinations, try hues 191° and 251°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(221, 38%, 25%) in CSS?

As HSL: color: hsl(221, 38%, 25%); — As HEX: color: #283758; — As RGB: color: rgb(40, 55, 88); — Tailwind CSS: bg-[hsl(221,38%,25%)] — CSS variable: --color-primary: hsl(221, 38%, 25%);