#253C51#253C51

#253C51 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.047 H 247.1°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#253C51
RGB	rgb(37, 60, 81)
HSL	hsl(209, 37%, 23%)
HSV	hsv(209, 54%, 32%)
CMYK	cmyk(54.3%, 25.9%, 0%, 68.2%)
CIE-LAB	lab(24.38, -2.14, -15.50)
CIE-LCH	lch(24.38, 15.64, 262.12°)
OKLab	oklab(34.71% -0.0182 -0.0432)
OKLCH	oklch(34.71% 0.047 247.1)
XYZ	xyz(3.8635, 4.2188, 8.3937)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C51 #513A25

analogous

#255150 #253C51 #252651

triadic

#253C51 #51253C #3C5125

tetradic

#253C51 #502551 #513A25 #265125

square

#253C51 #502551 #513A25 #265125

split-complementary

#253C51 #512526 #515025

monochromatic

#0A1015 #121D27 #253C51 #385B7B #4B7AA5

Accessibility & contrast

On white

11.39

#253C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#253C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C51

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C51	#FFFFFF	#000000	##FFFFFF
##253C51	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333C52

Deuteranopia (green-blind)

#2E3851

Tritanopia (blue-blind)

#104143

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #253c51;
/* rgb */ color: rgb(37, 60, 81);
/* oklch */ color: oklch(34.7% 0.047 247.1);

Tailwind

colors: {
  custom: {
    50: '#637182',
    500: '#253c51',
    950: '#000000',
  },
}

SCSS

$custom: #253c51;
$custom-light: #637182;
$custom-dark: #000000;

JSON

{
  "hex": "#253c51",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 81
  },
  "hsl": {
    "h": 208.636,
    "s": 37.288,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34705,
    "c": 0.04694,
    "h": 247.1
  },
  "luminance": 0.04219
}

Semantic roles & 50–950 ramp

primary

#253C51

secondary

#84684E

accent

#915BCD

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #253C51

Body copy rendered with the generated semantic roles for this colour.

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