#253F5D#253F5D

#253F5D is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.2% C 0.061 H 253.0°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#253F5D
RGB	rgb(37, 63, 93)
HSL	hsl(212, 43%, 25%)
HSV	hsv(212, 60%, 36%)
CMYK	cmyk(60.2%, 32.3%, 0%, 63.5%)
CIE-LAB	lab(25.98, 0.16, -20.86)
CIE-LCH	lch(25.98, 20.86, 270.44°)
OKLab	oklab(36.16% -0.018 -0.0587)
OKLCH	oklch(36.16% 0.061 253)
XYZ	xyz(4.5155, 4.7383, 11.0304)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F5D #5D4325

analogous

#255B5D #253F5D #27255D

triadic

#253F5D #5D253F #3F5D25

tetradic

#253F5D #5D255B #5D4325 #255D27

square

#253F5D #5D255B #5D4325 #255D27

split-complementary

#253F5D #5D2725 #5B5D25

monochromatic

#090F16 #142131 #253F5D #365D89 #487AB5

Accessibility & contrast

On white

10.78

#253F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#253F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F5D

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F5D	#FFFFFF	#000000	##FFFFFF
##253F5D	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33415E

Deuteranopia (green-blind)

#2B3B5C

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253f5d;
/* rgb */ color: rgb(37, 63, 93);
/* oklch */ color: oklch(36.2% 0.061 253.0);

Tailwind

colors: {
  custom: {
    50: '#64738b',
    500: '#253f5d',
    950: '#000000',
  },
}

SCSS

$custom: #253f5d;
$custom-light: #64738b;
$custom-dark: #000000;

JSON

{
  "hex": "#253f5d",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 93
  },
  "hsl": {
    "h": 212.143,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36155,
    "c": 0.0614,
    "h": 253
  },
  "luminance": 0.04739
}

Semantic roles & 50–950 ramp

primary

#253F5D

secondary

#90714D

accent

#9855D3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #253F5D

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

Preview Lab → · Contrast checker → · Palette generator →