#253C69#253C69

#253C69 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.083 H 262.5°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#253C69
RGB	rgb(37, 60, 105)
HSL	hsl(220, 48%, 28%)
HSV	hsv(220, 65%, 41%)
CMYK	cmyk(64.8%, 42.9%, 0%, 58.8%)
CIE-LAB	lab(25.70, 6.71, -29.05)
CIE-LCH	lch(25.70, 29.82, 283.01°)
OKLab	oklab(36.16% -0.0108 -0.0826)
OKLCH	oklch(36.16% 0.083 262.5)
XYZ	xyz(4.9277, 4.6445, 13.9987)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C69 #695225

analogous

#255E69 #253C69 #302569

triadic

#253C69 #69253C #3C6925

tetradic

#253C69 #69255E #695225 #256930

square

#253C69 #69255E #695225 #256930

split-complementary

#253C69 #693025 #5E6925

monochromatic

#080D17 #15223C #253C69 #355696 #4971BF

Accessibility & contrast

On white

10.89

#253C69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#253C69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C69

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C69	#FFFFFF	#000000	##FFFFFF
##253C69	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28406B

Deuteranopia (green-blind)

#1F3A68

Tritanopia (blue-blind)

#00464D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253c69;
/* rgb */ color: rgb(37, 60, 105);
/* oklch */ color: oklch(36.2% 0.083 262.5);

Tailwind

colors: {
  custom: {
    50: '#677194',
    500: '#253c69',
    950: '#000000',
  },
}

SCSS

$custom: #253c69;
$custom-light: #677194;
$custom-dark: #000000;

JSON

{
  "hex": "#253c69",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 105
  },
  "hsl": {
    "h": 219.706,
    "s": 47.887,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36161,
    "c": 0.08334,
    "h": 262.5
  },
  "luminance": 0.04645
}

Semantic roles & 50–950 ramp

primary

#253C69

secondary

#9C824E

accent

#AA50D7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #253C69

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

Preview Lab → · Contrast checker → · Palette generator →