#253E7D#253E7D

#253E7D is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.1% C 0.111 H 265.2°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#253E7D
RGB	rgb(37, 62, 125)
HSL	hsl(223, 54%, 32%)
HSV	hsv(223, 70%, 49%)
CMYK	cmyk(70.4%, 50.4%, 0%, 51%)
CIE-LAB	lab(27.62, 13.09, -38.66)
CIE-LCH	lch(27.62, 40.82, 288.70°)
OKLab	oklab(38.07% -0.0093 -0.1108)
OKLCH	oklch(38.07% 0.111 265.2)
XYZ	xyz(6.1860, 5.3186, 20.0987)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E7D #7D6425

analogous

#256A7D #253E7D #38257D

triadic

#253E7D #7D253E #3E7D25

tetradic

#253E7D #7D256A #7D6425 #257D38

square

#253E7D #7D256A #7D6425 #257D38

split-complementary

#253E7D #7D3825 #6A7D25

monochromatic

#090F1F #17274E #253E7D #3355AC #5174CB

Accessibility & contrast

On white

10.18

#253E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#253E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E7D

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E7D	#FFFFFF	#000000	##FFFFFF
##253E7D	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C457F

Deuteranopia (green-blind)

#053D7C

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253e7d;
/* rgb */ color: rgb(37, 62, 125);
/* oklch */ color: oklch(38.1% 0.111 265.2);

Tailwind

colors: {
  custom: {
    50: '#6b72a3',
    500: '#253e7d',
    950: '#000000',
  },
}

SCSS

$custom: #253e7d;
$custom-light: #6b72a3;
$custom-dark: #000000;

JSON

{
  "hex": "#253e7d",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 125
  },
  "hsl": {
    "h": 222.955,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38066,
    "c": 0.11123,
    "h": 265.2
  },
  "luminance": 0.05319
}

Semantic roles & 50–950 ramp

primary

#253E7D

secondary

#AF944F

accent

#B44ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #253E7D

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

Preview Lab → · Contrast checker → · Palette generator →