#253E70#253E70

#253E70 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.091 H 262.7°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#253E70
RGB	rgb(37, 62, 112)
HSL	hsl(220, 50%, 29%)
HSV	hsv(220, 67%, 44%)
CMYK	cmyk(67%, 44.6%, 0%, 56.1%)
CIE-LAB	lab(26.76, 8.03, -31.84)
CIE-LCH	lch(26.76, 32.83, 284.15°)
OKLab	oklab(37.12% -0.0116 -0.0908)
OKLCH	oklch(37.12% 0.092 262.7)
XYZ	xyz(5.4092, 5.0079, 16.0077)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E70 #705725

analogous

#256470 #253E70 #322570

triadic

#253E70 #70253E #3E7025

tetradic

#253E70 #702564 #705725 #257032

square

#253E70 #702564 #705725 #257032

split-complementary

#253E70 #703225 #647025

monochromatic

#080D17 #162542 #253E70 #34579E #4C74C4

Accessibility & contrast

On white

10.49

#253E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#253E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E70

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E70	#FFFFFF	#000000	##FFFFFF
##253E70	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274372

Deuteranopia (green-blind)

#1C3C6F

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253e70;
/* rgb */ color: rgb(37, 62, 112);
/* oklch */ color: oklch(37.1% 0.091 262.7);

Tailwind

colors: {
  custom: {
    50: '#687299',
    500: '#253e70',
    950: '#000000',
  },
}

SCSS

$custom: #253e70;
$custom-light: #687299;
$custom-dark: #000000;

JSON

{
  "hex": "#253e70",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 112
  },
  "hsl": {
    "h": 220,
    "s": 50.336,
    "l": 29.216
  },
  "oklch": {
    "l": 0.37122,
    "c": 0.0915,
    "h": 262.7
  },
  "luminance": 0.05008
}

Semantic roles & 50–950 ramp

primary

#253E70

secondary

#A3874E

accent

#AB4EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #253E70

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

Preview Lab → · Contrast checker → · Palette generator →