#253C74#253C74

#253C74 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.100 H 265.1°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#253C74
RGB	rgb(37, 60, 116)
HSL	hsl(223, 52%, 30%)
HSV	hsv(223, 68%, 45%)
CMYK	cmyk(68.1%, 48.3%, 0%, 54.5%)
CIE-LAB	lab(26.41, 10.96, -34.94)
CIE-LCH	lch(26.41, 36.62, 287.42°)
OKLab	oklab(36.94% -0.0086 -0.0999)
OKLCH	oklch(36.94% 0.1 265.1)
XYZ	xyz(5.5301, 4.8855, 17.1712)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C74 #745D25

analogous

#256374 #253C74 #362574

triadic

#253C74 #74253C #3C7425

tetradic

#253C74 #742563 #745D25 #257436

square

#253C74 #742563 #745D25 #257436

split-complementary

#253C74 #743625 #637425

monochromatic

#070C17 #162446 #253C74 #3454A2 #4D70C6

Accessibility & contrast

On white

10.62

#253C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#253C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C74

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C74	#FFFFFF	#000000	##FFFFFF
##253C74	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204276

Deuteranopia (green-blind)

#123B73

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253c74;
/* rgb */ color: rgb(37, 60, 116);
/* oklch */ color: oklch(36.9% 0.100 265.1);

Tailwind

colors: {
  custom: {
    50: '#69719c',
    500: '#253c74',
    950: '#000000',
  },
}

SCSS

$custom: #253c74;
$custom-light: #69719c;
$custom-dark: #000000;

JSON

{
  "hex": "#253c74",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 116
  },
  "hsl": {
    "h": 222.532,
    "s": 51.634,
    "l": 30
  },
  "oklch": {
    "l": 0.36936,
    "c": 0.10029,
    "h": 265.1
  },
  "luminance": 0.04886
}

Semantic roles & 50–950 ramp

primary

#253C74

secondary

#A78D4E

accent

#B24DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253C74

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

Preview Lab → · Contrast checker → · Palette generator →