#253E7A#253E7A

#253E7A is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.107 H 264.8°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#253E7A
RGB	rgb(37, 62, 122)
HSL	hsl(222, 53%, 31%)
HSV	hsv(222, 70%, 48%)
CMYK	cmyk(69.7%, 49.2%, 0%, 52.2%)
CIE-LAB	lab(27.42, 11.92, -37.11)
CIE-LCH	lch(27.42, 38.98, 287.80°)
OKLab	oklab(37.84% -0.0097 -0.1063)
OKLCH	oklch(37.84% 0.107 264.8)
XYZ	xyz(5.9972, 5.2431, 19.1045)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E7A #7A6125

analogous

#25687A #253E7A #36257A

triadic

#253E7A #7A253E #3E7A25

tetradic

#253E7A #7A2568 #7A6125 #257A36

square

#253E7A #7A2568 #7A6125 #257A36

split-complementary

#253E7A #7A3625 #687A25

monochromatic

#090E1C #17264B #253E7A #3356A9 #5074CA

Accessibility & contrast

On white

10.25

#253E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#253E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E7A

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E7A	#FFFFFF	#000000	##FFFFFF
##253E7A	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F457C

Deuteranopia (green-blind)

#0D3D79

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253e7a;
/* rgb */ color: rgb(37, 62, 122);
/* oklch */ color: oklch(37.8% 0.107 264.8);

Tailwind

colors: {
  custom: {
    50: '#6a72a1',
    500: '#253e7a',
    950: '#000000',
  },
}

SCSS

$custom: #253e7a;
$custom-light: #6a72a1;
$custom-dark: #000000;

JSON

{
  "hex": "#253e7a",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 122
  },
  "hsl": {
    "h": 222.353,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37841,
    "c": 0.10671,
    "h": 264.8
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#253E7A

secondary

#AC914E

accent

#B24BDD

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #253E7A

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

Preview Lab → · Contrast checker → · Palette generator →