#253D7D#253D7D

#253D7D is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.113 H 265.8°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#253D7D
RGB	rgb(37, 61, 125)
HSL	hsl(224, 54%, 32%)
HSV	hsv(224, 70%, 49%)
CMYK	cmyk(70.4%, 51.2%, 0%, 51%)
CIE-LAB	lab(27.33, 13.78, -39.14)
CIE-LCH	lch(27.33, 41.49, 289.40°)
OKLab	oklab(37.84% -0.0083 -0.1123)
OKLCH	oklch(37.84% 0.113 265.8)
XYZ	xyz(6.1321, 5.2109, 20.0807)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D7D #7D6525

analogous

#25697D #253D7D #39257D

triadic

#253D7D #7D253D #3D7D25

tetradic

#253D7D #7D2569 #7D6525 #257D39

square

#253D7D #7D2569 #7D6525 #257D39

split-complementary

#253D7D #7D3925 #697D25

monochromatic

#090F1F #17264E #253D7D #3354AC #5172CB

Accessibility & contrast

On white

10.28

#253D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#253D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D7D

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D7D	#FFFFFF	#000000	##FFFFFF
##253D7D	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19457F

Deuteranopia (green-blind)

#013D7C

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253d7d;
/* rgb */ color: rgb(37, 61, 125);
/* oklch */ color: oklch(37.8% 0.113 265.8);

Tailwind

colors: {
  custom: {
    50: '#6b72a3',
    500: '#253d7d',
    950: '#000000',
  },
}

SCSS

$custom: #253d7d;
$custom-light: #6b72a3;
$custom-dark: #000000;

JSON

{
  "hex": "#253d7d",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 125
  },
  "hsl": {
    "h": 223.636,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3784,
    "c": 0.11256,
    "h": 265.8
  },
  "luminance": 0.05211
}

Semantic roles & 50–950 ramp

primary

#253D7D

secondary

#AF954F

accent

#B54ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253D7D

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

Preview Lab → · Contrast checker → · Palette generator →