#253166#253166

#253166 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.4% C 0.094 H 270.9°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#253166
RGB	rgb(37, 49, 102)
HSL	hsl(229, 47%, 27%)
HSV	hsv(229, 64%, 40%)
CMYK	cmyk(63.7%, 52%, 0%, 60%)
CIE-LAB	lab(22.12, 13.28, -32.83)
CIE-LCH	lch(22.12, 35.41, 292.02°)
OKLab	oklab(33.36% 0.0015 -0.0939)
OKLCH	oklch(33.36% 0.094 270.9)
XYZ	xyz(4.2587, 3.5489, 13.0284)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253166 #665A25

analogous

#255266 #253166 #3A2566

triadic

#253166 #662531 #316625

tetradic

#253166 #662552 #665A25 #25663A

square

#253166 #662552 #665A25 #25663A

split-complementary

#253166 #663A25 #526625

monochromatic

#080B16 #151B39 #253166 #354793 #495EBD

Accessibility & contrast

On white

12.28

#253166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#253166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253166

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253166	#FFFFFF	#000000	##FFFFFF
##253166	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163868

Deuteranopia (green-blind)

#0A3265

Tritanopia (blue-blind)

#003D46

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #253166;
/* rgb */ color: rgb(37, 49, 102);
/* oklch */ color: oklch(33.4% 0.094 270.9);

Tailwind

colors: {
  custom: {
    50: '#666892',
    500: '#253166',
    950: '#000000',
  },
}

SCSS

$custom: #253166;
$custom-light: #666892;
$custom-dark: #000000;

JSON

{
  "hex": "#253166",
  "rgb": {
    "r": 37,
    "g": 49,
    "b": 102
  },
  "hsl": {
    "h": 228.923,
    "s": 46.763,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33357,
    "c": 0.09388,
    "h": 270.9
  },
  "luminance": 0.03549
}

Semantic roles & 50–950 ramp

primary

#253166

secondary

#998B4E

accent

#BE51D6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #253166

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

Preview Lab → · Contrast checker → · Palette generator →