#253C70#253C70

#253C70 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.094 H 264.3°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#253C70
RGB	rgb(37, 60, 112)
HSL	hsl(222, 50%, 29%)
HSV	hsv(222, 67%, 44%)
CMYK	cmyk(67%, 46.4%, 0%, 56.1%)
CIE-LAB	lab(26.14, 9.41, -32.82)
CIE-LCH	lch(26.14, 34.14, 286.00°)
OKLab	oklab(36.65% -0.0093 -0.0937)
OKLCH	oklch(36.65% 0.094 264.3)
XYZ	xyz(5.3024, 4.7944, 15.9721)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C70 #705925

analogous

#256270 #253C70 #342570

triadic

#253C70 #70253C #3C7025

tetradic

#253C70 #702562 #705925 #257034

square

#253C70 #702562 #705925 #257034

split-complementary

#253C70 #703425 #627025

monochromatic

#080C17 #162342 #253C70 #34559E #4C70C4

Accessibility & contrast

On white

10.72

#253C70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#253C70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C70

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C70	#FFFFFF	#000000	##FFFFFF
##253C70	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234272

Deuteranopia (green-blind)

#173B6F

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253c70;
/* rgb */ color: rgb(37, 60, 112);
/* oklch */ color: oklch(36.6% 0.094 264.3);

Tailwind

colors: {
  custom: {
    50: '#687199',
    500: '#253c70',
    950: '#000000',
  },
}

SCSS

$custom: #253c70;
$custom-light: #687199;
$custom-dark: #000000;

JSON

{
  "hex": "#253c70",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 112
  },
  "hsl": {
    "h": 221.6,
    "s": 50.336,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36647,
    "c": 0.09415,
    "h": 264.3
  },
  "luminance": 0.04795
}

Semantic roles & 50–950 ramp

primary

#253C70

secondary

#A3894E

accent

#AF4EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253C70

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

Preview Lab → · Contrast checker → · Palette generator →