#253E91#253E91

#253E91 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.140 H 267.0°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#253E91
RGB	rgb(37, 62, 145)
HSL	hsl(226, 59%, 36%)
HSV	hsv(226, 74%, 57%)
CMYK	cmyk(74.5%, 57.2%, 0%, 43.1%)
CIE-LAB	lab(29.11, 20.90, -48.67)
CIE-LCH	lch(29.11, 52.97, 293.24°)
OKLab	oklab(39.67% -0.0073 -0.1403)
OKLCH	oklch(39.67% 0.14 267)
XYZ	xyz(7.5946, 5.8821, 27.5177)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E91 #917825

analogous

#257491 #253E91 #422591

triadic

#253E91 #91253E #3E9125

tetradic

#253E91 #912574 #917825 #259142

square

#253E91 #912574 #917825 #259142

split-complementary

#253E91 #914225 #749125

monochromatic

#0C142F #192960 #253E91 #3153C2 #5B77D5

Accessibility & contrast

On white

9.65

#253E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#253E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E91

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E91	#FFFFFF	#000000	##FFFFFF
##253E91	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #253e91;
/* rgb */ color: rgb(37, 62, 145);
/* oklch */ color: oklch(39.7% 0.140 267.0);

Tailwind

colors: {
  custom: {
    50: '#6f72b2',
    500: '#253e91',
    950: '#000000',
  },
}

SCSS

$custom: #253e91;
$custom-light: #6f72b2;
$custom-dark: #000000;

JSON

{
  "hex": "#253e91",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 145
  },
  "hsl": {
    "h": 226.111,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.39667,
    "c": 0.14046,
    "h": 267
  },
  "luminance": 0.05883
}

Semantic roles & 50–950 ramp

primary

#253E91

secondary

#BAA358

accent

#BE45E3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #253E91

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

Preview Lab → · Contrast checker → · Palette generator →