#253B88#253B88

#253B88 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.131 H 267.7°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#253B88
RGB	rgb(37, 59, 136)
HSL	hsl(227, 57%, 34%)
HSV	hsv(227, 73%, 53%)
CMYK	cmyk(72.8%, 56.6%, 0%, 46.7%)
CIE-LAB	lab(27.57, 19.46, -45.62)
CIE-LCH	lch(27.57, 49.60, 293.11°)
OKLab	oklab(38.28% -0.0053 -0.1313)
OKLCH	oklch(38.28% 0.131 267.7)
XYZ	xyz(6.7693, 5.2981, 23.9537)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B88 #887225

analogous

#256D88 #253B88 #412588

triadic

#253B88 #88253B #3B8825

tetradic

#253B88 #88256D #887225 #258841

square

#253B88 #88256D #887225 #258841

split-complementary

#253B88 #884125 #6D8825

monochromatic

#0B1128 #182658 #253B88 #3250B8 #5672D1

Accessibility & contrast

On white

10.20

#253B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#253B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B88

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B88	#FFFFFF	#000000	##FFFFFF
##253B88	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468B

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253b88;
/* rgb */ color: rgb(37, 59, 136);
/* oklch */ color: oklch(38.3% 0.131 267.7);

Tailwind

colors: {
  custom: {
    50: '#6d70ab',
    500: '#253b88',
    950: '#000000',
  },
}

SCSS

$custom: #253b88;
$custom-light: #6d70ab;
$custom-dark: #000000;

JSON

{
  "hex": "#253b88",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 136
  },
  "hsl": {
    "h": 226.667,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38282,
    "c": 0.13146,
    "h": 267.7
  },
  "luminance": 0.05299
}

Semantic roles & 50–950 ramp

primary

#253B88

secondary

#B6A053

accent

#BE47E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253B88

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

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