#253D90#253D90

#253D90 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.4% C 0.140 H 267.3°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#253D90
RGB	rgb(37, 61, 144)
HSL	hsl(227, 59%, 35%)
HSV	hsv(227, 74%, 56%)
CMYK	cmyk(74.3%, 57.6%, 0%, 43.5%)
CIE-LAB	lab(28.76, 21.20, -48.63)
CIE-LCH	lch(28.76, 53.05, 293.55°)
OKLab	oklab(39.37% -0.0066 -0.1402)
OKLCH	oklch(39.37% 0.14 267.3)
XYZ	xyz(7.4640, 5.7436, 27.0954)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D90 #907825

analogous

#257290 #253D90 #422590

triadic

#253D90 #90253D #3D9025

tetradic

#253D90 #902572 #907825 #259042

square

#253D90 #902572 #907825 #259042

split-complementary

#253D90 #904225 #729025

monochromatic

#0C142F #18285F #253D90 #3252C1 #5B76D5

Accessibility & contrast

On white

9.77

#253D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#253D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D90

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D90	#FFFFFF	#000000	##FFFFFF
##253D90	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#003F8E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #253d90;
/* rgb */ color: rgb(37, 61, 144);
/* oklch */ color: oklch(39.4% 0.140 267.3);

Tailwind

colors: {
  custom: {
    50: '#6f72b1',
    500: '#253d90',
    950: '#000000',
  },
}

SCSS

$custom: #253d90;
$custom-light: #6f72b1;
$custom-dark: #000000;

JSON

{
  "hex": "#253d90",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 144
  },
  "hsl": {
    "h": 226.542,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39374,
    "c": 0.14033,
    "h": 267.3
  },
  "luminance": 0.05744
}

Semantic roles & 50–950 ramp

primary

#253D90

secondary

#B9A357

accent

#BF45E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #253D90

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

Preview Lab → · Contrast checker → · Palette generator →