#253F63#253F63

#253F63 is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.5% C 0.070 H 256.8°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#253F63
RGB	rgb(37, 63, 99)
HSL	hsl(215, 46%, 27%)
HSV	hsv(215, 63%, 39%)
CMYK	cmyk(62.6%, 36.4%, 0%, 61.2%)
CIE-LAB	lab(26.30, 2.38, -24.23)
CIE-LCH	lch(26.30, 24.35, 275.62°)
OKLab	oklab(36.52% -0.0161 -0.0685)
OKLCH	oklch(36.52% 0.07 256.8)
XYZ	xyz(4.7918, 4.8488, 12.4853)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F63 #634925

analogous

#255E63 #253F63 #2A2563

triadic

#253F63 #63253F #3F6325

tetradic

#253F63 #63255E #634925 #25632A

square

#253F63 #63255E #634925 #25632A

split-complementary

#253F63 #632A25 #5E6325

monochromatic

#080E16 #142336 #253F63 #365B90 #4878BB

Accessibility & contrast

On white

10.66

#253F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#253F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F63

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F63	#FFFFFF	#000000	##FFFFFF
##253F63	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304165

Deuteranopia (green-blind)

#283C62

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253f63;
/* rgb */ color: rgb(37, 63, 99);
/* oklch */ color: oklch(36.5% 0.070 256.8);

Tailwind

colors: {
  custom: {
    50: '#65738f',
    500: '#253f63',
    950: '#000000',
  },
}

SCSS

$custom: #253f63;
$custom-light: #65738f;
$custom-dark: #000000;

JSON

{
  "hex": "#253f63",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 99
  },
  "hsl": {
    "h": 214.839,
    "s": 45.588,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36515,
    "c": 0.07037,
    "h": 256.8
  },
  "luminance": 0.04849
}

Semantic roles & 50–950 ramp

primary

#253F63

secondary

#96784E

accent

#9E53D5

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #253F63

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

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