#253F76#253F76

#253F76 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.8% C 0.099 H 263.4°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#253F76
RGB	rgb(37, 63, 118)
HSL	hsl(221, 52%, 30%)
HSV	hsv(221, 69%, 46%)
CMYK	cmyk(68.6%, 46.6%, 0%, 53.7%)
CIE-LAB	lab(27.45, 9.66, -34.53)
CIE-LCH	lch(27.45, 35.86, 285.63°)
OKLab	oklab(37.78% -0.0115 -0.0987)
OKLCH	oklch(37.78% 0.099 263.4)
XYZ	xyz(5.8093, 5.2558, 17.8443)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F76 #765C25

analogous

#256776 #253F76 #342576

triadic

#253F76 #76253F #3F7625

tetradic

#253F76 #762567 #765C25 #257634

square

#253F76 #762567 #765C25 #257634

split-complementary

#253F76 #763425 #677625

monochromatic

#080D19 #162647 #253F76 #3458A5 #4E75C7

Accessibility & contrast

On white

10.24

#253F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#253F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F76

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F76	#FFFFFF	#000000	##FFFFFF
##253F76	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244578

Deuteranopia (green-blind)

#163D75

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253f76;
/* rgb */ color: rgb(37, 63, 118);
/* oklch */ color: oklch(37.8% 0.099 263.4);

Tailwind

colors: {
  custom: {
    50: '#69739e',
    500: '#253f76',
    950: '#000000',
  },
}

SCSS

$custom: #253f76;
$custom-light: #69739e;
$custom-dark: #000000;

JSON

{
  "hex": "#253f76",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 118
  },
  "hsl": {
    "h": 220.741,
    "s": 52.258,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37782,
    "c": 0.09933,
    "h": 263.4
  },
  "luminance": 0.05256
}

Semantic roles & 50–950 ramp

primary

#253F76

secondary

#A98C4E

accent

#AE4CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #253F76

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

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