#253F53#253F53

#253F53 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.6% C 0.047 H 242.8°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#253F53
RGB	rgb(37, 63, 83)
HSL	hsl(206, 38%, 24%)
HSV	hsv(206, 55%, 33%)
CMYK	cmyk(55.4%, 24.1%, 0%, 67.5%)
CIE-LAB	lab(25.48, -3.42, -15.11)
CIE-LCH	lch(25.48, 15.49, 257.24°)
OKLab	oklab(35.6% -0.0216 -0.0421)
OKLCH	oklch(35.6% 0.047 242.8)
XYZ	xyz(4.1012, 4.5725, 8.8484)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F53 #533925

analogous

#255350 #253F53 #252853

triadic

#253F53 #53253F #3F5325

tetradic

#253F53 #502553 #533925 #285325

square

#253F53 #502553 #533925 #285325

split-complementary

#253F53 #532528 #535025

monochromatic

#091015 #121F29 #253F53 #385F7D #4B7FA8

Accessibility & contrast

On white

10.97

#253F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#253F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F53

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F53	#FFFFFF	#000000	##FFFFFF
##253F53	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363F54

Deuteranopia (green-blind)

#303A53

Tritanopia (blue-blind)

#0D4446

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253f53;
/* rgb */ color: rgb(37, 63, 83);
/* oklch */ color: oklch(35.6% 0.047 242.8);

Tailwind

colors: {
  custom: {
    50: '#637383',
    500: '#253f53',
    950: '#000000',
  },
}

SCSS

$custom: #253f53;
$custom-light: #637383;
$custom-dark: #000000;

JSON

{
  "hex": "#253f53",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 206.087,
    "s": 38.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35602,
    "c": 0.04737,
    "h": 242.8
  },
  "luminance": 0.04573
}

Semantic roles & 50–950 ramp

primary

#253F53

secondary

#86664D

accent

#8C5ACE

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #253F53

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

Preview Lab → · Contrast checker → · Palette generator →