#253B69#253B69

#253B69 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.085 H 263.5°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#253B69
RGB	rgb(37, 59, 105)
HSL	hsl(221, 48%, 28%)
HSV	hsv(221, 65%, 41%)
CMYK	cmyk(64.8%, 43.8%, 0%, 58.8%)
CIE-LAB	lab(25.38, 7.40, -29.55)
CIE-LCH	lch(25.38, 30.46, 284.07°)
OKLab	oklab(35.92% -0.0096 -0.0841)
OKLCH	oklch(35.92% 0.085 263.5)
XYZ	xyz(4.8758, 4.5407, 13.9814)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B69 #695325

analogous

#255D69 #253B69 #312569

triadic

#253B69 #69253B #3B6925

tetradic

#253B69 #69255D #695325 #256931

square

#253B69 #69255D #695325 #256931

split-complementary

#253B69 #693125 #5D6925

monochromatic

#080D17 #15223C #253B69 #355496 #496FBF

Accessibility & contrast

On white

11.01

#253B69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#253B69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B69

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B69	#FFFFFF	#000000	##FFFFFF
##253B69	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27406B

Deuteranopia (green-blind)

#1D3968

Tritanopia (blue-blind)

#00454D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253b69;
/* rgb */ color: rgb(37, 59, 105);
/* oklch */ color: oklch(35.9% 0.085 263.5);

Tailwind

colors: {
  custom: {
    50: '#677094',
    500: '#253b69',
    950: '#000000',
  },
}

SCSS

$custom: #253b69;
$custom-light: #677094;
$custom-dark: #000000;

JSON

{
  "hex": "#253b69",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 105
  },
  "hsl": {
    "h": 220.588,
    "s": 47.887,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3592,
    "c": 0.08465,
    "h": 263.5
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary

#253B69

secondary

#9C834E

accent

#AC50D7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #253B69

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

Preview Lab → · Contrast checker → · Palette generator →