#253A88#253A88

#253A88 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.133 H 268.1°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#253A88
RGB	rgb(37, 58, 136)
HSL	hsl(227, 57%, 34%)
HSV	hsv(227, 73%, 53%)
CMYK	cmyk(72.8%, 57.4%, 0%, 46.7%)
CIE-LAB	lab(27.29, 20.15, -46.07)
CIE-LCH	lch(27.29, 50.29, 293.62°)
OKLab	oklab(38.07% -0.0045 -0.1327)
OKLCH	oklch(38.07% 0.133 268.1)
XYZ	xyz(6.7184, 5.1963, 23.9367)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A88 #887325

analogous

#256C88 #253A88 #422588

triadic

#253A88 #88253A #3A8825

tetradic

#253A88 #88256C #887325 #258842

square

#253A88 #88256C #887325 #258842

split-complementary

#253A88 #884225 #6C8825

monochromatic

#0B1128 #182558 #253A88 #324FB8 #5670D1

Accessibility & contrast

On white

10.30

#253A88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#253A88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A88

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A88	#FFFFFF	#000000	##FFFFFF
##253A88	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458B

Deuteranopia (green-blind)

#003C86

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253a88;
/* rgb */ color: rgb(37, 58, 136);
/* oklch */ color: oklch(38.1% 0.133 268.1);

Tailwind

colors: {
  custom: {
    50: '#6d6fab',
    500: '#253a88',
    950: '#000000',
  },
}

SCSS

$custom: #253a88;
$custom-light: #6d6fab;
$custom-dark: #000000;

JSON

{
  "hex": "#253a88",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 136
  },
  "hsl": {
    "h": 227.273,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38071,
    "c": 0.13279,
    "h": 268.1
  },
  "luminance": 0.05197
}

Semantic roles & 50–950 ramp

primary

#253A88

secondary

#B6A153

accent

#C047E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253A88

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

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