#253A7D#253A7D

#253A7D is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.2% C 0.117 H 267.4°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#253A7D
RGB	rgb(37, 58, 125)
HSL	hsl(226, 54%, 32%)
HSV	hsv(226, 70%, 49%)
CMYK	cmyk(70.4%, 53.6%, 0%, 51%)
CIE-LAB	lab(26.45, 15.87, -40.56)
CIE-LCH	lch(26.45, 43.55, 291.36°)
OKLab	oklab(37.17% -0.0053 -0.1165)
OKLCH	oklch(37.17% 0.117 267.4)
XYZ	xyz(5.9764, 4.8995, 20.0288)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A7D #7D6825

analogous

#25667D #253A7D #3C257D

triadic

#253A7D #7D253A #3A7D25

tetradic

#253A7D #7D2566 #7D6825 #257D3C

square

#253A7D #7D2566 #7D6825 #257D3C

split-complementary

#253A7D #7D3C25 #667D25

monochromatic

#090E1F #17244E #253A7D #3350AC #516ECB

Accessibility & contrast

On white

10.61

#253A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#253A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A7D

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A7D	#FFFFFF	#000000	##FFFFFF
##253A7D	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10437F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253a7d;
/* rgb */ color: rgb(37, 58, 125);
/* oklch */ color: oklch(37.2% 0.117 267.4);

Tailwind

colors: {
  custom: {
    50: '#6b6fa3',
    500: '#253a7d',
    950: '#000000',
  },
}

SCSS

$custom: #253a7d;
$custom-light: #6b6fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#253a7d",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 125
  },
  "hsl": {
    "h": 225.682,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37171,
    "c": 0.11661,
    "h": 267.4
  },
  "luminance": 0.049
}

Semantic roles & 50–950 ramp

primary

#253A7D

secondary

#AF984F

accent

#BA4ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253A7D

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

Preview Lab → · Contrast checker → · Palette generator →