#253E4E#253E4E

#253E4E is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.042 H 237.7°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#253E4E
RGB	rgb(37, 62, 78)
HSL	hsl(203, 36%, 23%)
HSV	hsv(203, 53%, 31%)
CMYK	cmyk(52.6%, 20.5%, 0%, 69.4%)
CIE-LAB	lab(24.92, -4.49, -12.70)
CIE-LCH	lch(24.92, 13.47, 250.51°)
OKLab	oklab(35.08% -0.0223 -0.0352)
OKLCH	oklch(35.08% 0.042 237.7)
XYZ	xyz(3.8602, 4.3883, 7.8499)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E4E #4E3525

analogous

#254E4A #253E4E #25294E

triadic

#253E4E #4E253E #3E4E25

tetradic

#253E4E #4A254E #4E3525 #294E25

square

#253E4E #4A254E #4E3525 #294E25

split-complementary

#253E4E #4E2529 #4E4A25

monochromatic

#0A1015 #111D24 #253E4E #395F78 #4C80A1

Accessibility & contrast

On white

11.18

#253E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#253E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E4E

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E4E	#FFFFFF	#000000	##FFFFFF
##253E4E	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4F

Deuteranopia (green-blind)

#31394E

Tritanopia (blue-blind)

#124243

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #253e4e;
/* rgb */ color: rgb(37, 62, 78);
/* oklch */ color: oklch(35.1% 0.042 237.7);

Tailwind

colors: {
  custom: {
    50: '#62737f',
    500: '#253e4e',
    950: '#000000',
  },
}

SCSS

$custom: #253e4e;
$custom-light: #62737f;
$custom-dark: #000000;

JSON

{
  "hex": "#253e4e",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 78
  },
  "hsl": {
    "h": 203.415,
    "s": 35.652,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3508,
    "c": 0.0417,
    "h": 237.7
  },
  "luminance": 0.04389
}

Semantic roles & 50–950 ramp

primary

#253E4E

secondary

#81624E

accent

#885CCC

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #253E4E

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

Preview Lab → · Contrast checker → · Palette generator →