#253C90#253C90

#253C90 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.2% C 0.142 H 267.7°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#253C90
RGB	rgb(37, 60, 144)
HSL	hsl(227, 59%, 35%)
HSV	hsv(227, 74%, 56%)
CMYK	cmyk(74.3%, 58.3%, 0%, 43.5%)
CIE-LAB	lab(28.48, 21.88, -49.08)
CIE-LCH	lch(28.48, 53.74, 294.03°)
OKLab	oklab(39.17% -0.0057 -0.1415)
OKLCH	oklch(39.17% 0.142 267.7)
XYZ	xyz(7.4111, 5.6379, 27.0778)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C90 #907925

analogous

#257190 #253C90 #432590

triadic

#253C90 #90253C #3C9025

tetradic

#253C90 #902571 #907925 #259043

square

#253C90 #902571 #907925 #259043

split-complementary

#253C90 #904325 #719025

monochromatic

#0C132F #18285F #253C90 #3250C1 #5B75D5

Accessibility & contrast

On white

9.87

#253C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#253C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C90

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C90	#FFFFFF	#000000	##FFFFFF
##253C90	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253c90;
/* rgb */ color: rgb(37, 60, 144);
/* oklch */ color: oklch(39.2% 0.142 267.7);

Tailwind

colors: {
  custom: {
    50: '#6f71b1',
    500: '#253c90',
    950: '#000000',
  },
}

SCSS

$custom: #253c90;
$custom-light: #6f71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#253c90",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 144
  },
  "hsl": {
    "h": 227.103,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39167,
    "c": 0.14164,
    "h": 267.7
  },
  "luminance": 0.05639
}

Semantic roles & 50–950 ramp

primary

#253C90

secondary

#B9A457

accent

#C145E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #253C90

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

Preview Lab → · Contrast checker → · Palette generator →