#253E9E#253E9E

#253E9E is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.159 H 267.5°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#253E9E
RGB	rgb(37, 62, 158)
HSL	hsl(228, 62%, 38%)
HSV	hsv(228, 77%, 62%)
CMYK	cmyk(76.6%, 60.8%, 0%, 38%)
CIE-LAB	lab(30.17, 25.93, -54.87)
CIE-LCH	lch(30.17, 60.69, 295.29°)
OKLab	oklab(40.79% -0.0069 -0.1585)
OKLCH	oklch(40.79% 0.159 267.5)
XYZ	xyz(8.6550, 6.3062, 33.1022)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E9E #9E8525

analogous

#257A9E #253E9E #48259E

triadic

#253E9E #9E253E #3E9E25

tetradic

#253E9E #9E257A #9E8525 #259E48

square

#253E9E #9E257A #9E8525 #259E48

split-complementary

#253E9E #9E4825 #7A9E25

monochromatic

#0E173B #192B6C #253E9E #3152CF #637CDA

Accessibility & contrast

On white

9.29

#253E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#253E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E9E

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E9E	#FFFFFF	#000000	##FFFFFF
##253E9E	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #253e9e;
/* rgb */ color: rgb(37, 62, 158);
/* oklch */ color: oklch(40.8% 0.159 267.5);

Tailwind

colors: {
  custom: {
    50: '#7373bb',
    500: '#253e9e',
    950: '#000000',
  },
}

SCSS

$custom: #253e9e;
$custom-light: #7373bb;
$custom-dark: #000000;

JSON

{
  "hex": "#253e9e",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 158
  },
  "hsl": {
    "h": 227.603,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40791,
    "c": 0.15865,
    "h": 267.5
  },
  "luminance": 0.06307
}

Semantic roles & 50–950 ramp

primary

#253E9E

secondary

#C0AC5F

accent

#C443E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #253E9E

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

Preview Lab → · Contrast checker → · Palette generator →