#253E71#253E71

#253E71 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.093 H 263.0°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#253E71
RGB	rgb(37, 62, 113)
HSL	hsl(220, 51%, 29%)
HSV	hsv(220, 67%, 44%)
CMYK	cmyk(67.3%, 45.1%, 0%, 55.7%)
CIE-LAB	lab(26.82, 8.41, -32.37)
CIE-LCH	lch(26.82, 33.45, 284.57°)
OKLab	oklab(37.19% -0.0114 -0.0923)
OKLCH	oklch(37.19% 0.093 263)
XYZ	xyz(5.4652, 5.0303, 16.3025)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E71 #715825

analogous

#256471 #253E71 #322571

triadic

#253E71 #71253E #3E7125

tetradic

#253E71 #712564 #715825 #257132

square

#253E71 #712564 #715825 #257132

split-complementary

#253E71 #713225 #647125

monochromatic

#080D17 #162543 #253E71 #34579F #4C74C4

Accessibility & contrast

On white

10.47

#253E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#253E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E71

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E71	#FFFFFF	#000000	##FFFFFF
##253E71	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264373

Deuteranopia (green-blind)

#1A3C70

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253e71;
/* rgb */ color: rgb(37, 62, 113);
/* oklch */ color: oklch(37.2% 0.093 263.0);

Tailwind

colors: {
  custom: {
    50: '#68729a',
    500: '#253e71',
    950: '#000000',
  },
}

SCSS

$custom: #253e71;
$custom-light: #68729a;
$custom-dark: #000000;

JSON

{
  "hex": "#253e71",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 113
  },
  "hsl": {
    "h": 220.263,
    "s": 50.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37192,
    "c": 0.09304,
    "h": 263
  },
  "luminance": 0.05031
}

Semantic roles & 50–950 ramp

primary

#253E71

secondary

#A4884E

accent

#AC4EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #253E71

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

Preview Lab → · Contrast checker → · Palette generator →