#253C7D#253C7D

#253C7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.114 H 266.3°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#253C7D
RGB	rgb(37, 60, 125)
HSL	hsl(224, 54%, 32%)
HSV	hsv(224, 70%, 49%)
CMYK	cmyk(70.4%, 52%, 0%, 51%)
CIE-LAB	lab(27.03, 14.47, -39.62)
CIE-LCH	lch(27.03, 42.18, 290.07°)
OKLab	oklab(37.61% -0.0073 -0.1137)
OKLCH	oklch(37.61% 0.114 266.3)
XYZ	xyz(6.0792, 5.1051, 20.0631)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C7D #7D6625

analogous

#25687D #253C7D #3A257D

triadic

#253C7D #7D253C #3C7D25

tetradic

#253C7D #7D2568 #7D6625 #257D3A

square

#253C7D #7D2568 #7D6625 #257D3A

split-complementary

#253C7D #7D3A25 #687D25

monochromatic

#090F1F #17254E #253C7D #3353AC #5171CB

Accessibility & contrast

On white

10.39

#253C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#253C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C7D

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C7D	#FFFFFF	#000000	##FFFFFF
##253C7D	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17447F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253c7d;
/* rgb */ color: rgb(37, 60, 125);
/* oklch */ color: oklch(37.6% 0.114 266.3);

Tailwind

colors: {
  custom: {
    50: '#6b71a3',
    500: '#253c7d',
    950: '#000000',
  },
}

SCSS

$custom: #253c7d;
$custom-light: #6b71a3;
$custom-dark: #000000;

JSON

{
  "hex": "#253c7d",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 125
  },
  "hsl": {
    "h": 224.318,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37615,
    "c": 0.1139,
    "h": 266.3
  },
  "luminance": 0.05106
}

Semantic roles & 50–950 ramp

primary

#253C7D

secondary

#AF964F

accent

#B74ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253C7D

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

Preview Lab → · Contrast checker → · Palette generator →