HSL(221, 23%, 20%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,23%,20%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 23%, 20%) color: hsl(221, 23%, 20%)
HEX #272F3F color: #272F3F
RGB rgb(39, 47, 63) color: rgb(39, 47, 63)
CMYK cmyk(38%, 25%, 0%, 75%) —
HSV hsv(220, 38%, 25%) —
HWB hwb(220 16% 75%) color: hwb(220 16% 75%)
OKLCH oklch(0.3049 0.0311 263.95) color: oklch(0.3049 0.0311 263.95)
Lab lab(19.32 1.25 -11.2) color: lab(19.32 1.25 -11.2)
LCH lch(19.32 11.27 276.37) color: lch(19.32 11.27 276.37)

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 13.42:1
vs Black 1.56:1

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)

#2A2B3B — rgb(42, 43, 59)

Deuteranopia (Green-blind)

#2A293A — rgb(42, 41, 58)

Tritanopia (Blue-blind)

#273837 — rgb(39, 56, 55)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 23%, 20%);

text

color: hsl(221, 23%, 20%);

border

border: 2px solid hsl(221, 23%, 20%);

gradient light

background: linear-gradient(to right, hsl(221, 23%, 40%), hsl(221, 23%, 20%));

gradient dark

background: linear-gradient(to right, hsl(221, 23%, 20%), hsl(221, 23%, 0%))

hex

background-color: #272F3F;

tailwind

bg-[hsl(221,23%,20%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 23%, 20%, 0.4);

css variable

--color-primary: hsl(221, 23%, 20%);

Related Colors

#313235

221,3,20

#1D2B49

221,43,20

#000000

221,23,0

#4F5D7D

221,23,40

#27353F

206,23,20

#27333F

211,23,20

#272B3F

231,23,20

#27293F

236,23,20

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, 23%, 20%)?

HEX: #272F3F | RGB: rgb(39, 47, 63) | CMYK: 38%, 25%, 0%, 75% | HSV: 220°, 38%, 25%. Copy any format from the conversion table above.

What colors go well with #272F3F?

The complementary color is HSL(41, 23%, 20%). 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, 23%, 20%) in CSS?

As HSL: color: hsl(221, 23%, 20%); — As HEX: color: #272F3F; — As RGB: color: rgb(39, 47, 63); — Tailwind CSS: bg-[hsl(221,23%,20%)] — CSS variable: --color-primary: hsl(221, 23%, 20%);