#253C7A#253C7A

#253C7A is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.4% C 0.109 H 266.0°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#253C7A
RGB	rgb(37, 60, 122)
HSL	hsl(224, 53%, 31%)
HSV	hsv(224, 70%, 48%)
CMYK	cmyk(69.7%, 50.8%, 0%, 52.2%)
CIE-LAB	lab(26.82, 13.30, -38.07)
CIE-LCH	lch(26.82, 40.33, 289.26°)
OKLab	oklab(37.39% -0.0077 -0.1091)
OKLCH	oklch(37.39% 0.109 266)
XYZ	xyz(5.8904, 5.0296, 19.0690)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C7A #7A6325

analogous

#25667A #253C7A #38257A

triadic

#253C7A #7A253C #3C7A25

tetradic

#253C7A #7A2566 #7A6325 #257A38

square

#253C7A #7A2566 #7A6325 #257A38

split-complementary

#253C7A #7A3825 #667A25

monochromatic

#090E1C #17254B #253C7A #3353A9 #5071CA

Accessibility & contrast

On white

10.47

#253C7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#253C7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C7A

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C7A	#FFFFFF	#000000	##FFFFFF
##253C7A	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)

#1A437C

Deuteranopia (green-blind)

#043C79

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253c7a;
/* rgb */ color: rgb(37, 60, 122);
/* oklch */ color: oklch(37.4% 0.109 266.0);

Tailwind

colors: {
  custom: {
    50: '#6a71a1',
    500: '#253c7a',
    950: '#000000',
  },
}

SCSS

$custom: #253c7a;
$custom-light: #6a71a1;
$custom-dark: #000000;

JSON

{
  "hex": "#253c7a",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 122
  },
  "hsl": {
    "h": 223.765,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37385,
    "c": 0.1094,
    "h": 266
  },
  "luminance": 0.0503
}

Semantic roles & 50–950 ramp

primary

#253C7A

secondary

#AC934E

accent

#B54BDD

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #253C7A

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

Preview Lab → · Contrast checker → · Palette generator →