#253E90#253E90

#253E90 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.139 H 267.0°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#253E90
RGB	rgb(37, 62, 144)
HSL	hsl(226, 59%, 35%)
HSV	hsv(226, 74%, 56%)
CMYK	cmyk(74.3%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(29.03, 20.52, -48.18)
CIE-LCH	lch(29.03, 52.37, 293.06°)
OKLab	oklab(39.58% -0.0074 -0.1388)
OKLCH	oklch(39.58% 0.139 267)
XYZ	xyz(7.5179, 5.8514, 27.1134)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E90 #907725

analogous

#257390 #253E90 #412590

triadic

#253E90 #90253E #3E9025

tetradic

#253E90 #902573 #907725 #259041

square

#253E90 #902573 #907725 #259041

split-complementary

#253E90 #904125 #739025

monochromatic

#0C142F #18295F #253E90 #3253C1 #5B77D5

Accessibility & contrast

On white

9.68

#253E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#253E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E90

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E90	#FFFFFF	#000000	##FFFFFF
##253E90	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00408E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #253e90;
/* rgb */ color: rgb(37, 62, 144);
/* oklch */ color: oklch(39.6% 0.139 267.0);

Tailwind

colors: {
  custom: {
    50: '#6f72b1',
    500: '#253e90',
    950: '#000000',
  },
}

SCSS

$custom: #253e90;
$custom-light: #6f72b1;
$custom-dark: #000000;

JSON

{
  "hex": "#253e90",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 225.981,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39583,
    "c": 0.13904,
    "h": 267
  },
  "luminance": 0.05852
}

Semantic roles & 50–950 ramp

primary

#253E90

secondary

#B9A357

accent

#BE45E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #253E90

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

Preview Lab → · Contrast checker → · Palette generator →