#253F83#253F83

#253F83 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.8% C 0.119 H 265.4°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#253F83
RGB	rgb(37, 63, 131)
HSL	hsl(223, 56%, 33%)
HSV	hsv(223, 72%, 51%)
CMYK	cmyk(71.8%, 51.9%, 0%, 48.6%)
CIE-LAB	lab(28.34, 14.75, -41.25)
CIE-LCH	lch(28.34, 43.81, 289.67°)
OKLab	oklab(38.75% -0.0094 -0.1184)
OKLCH	oklch(38.75% 0.119 265.4)
XYZ	xyz(6.6358, 5.5864, 22.1969)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F83 #836925

analogous

#256E83 #253F83 #3A2583

triadic

#253F83 #83253F #3F8325

tetradic

#253F83 #83256E #836925 #25833A

square

#253F83 #83256E #836925 #25833A

split-complementary

#253F83 #833A25 #6E8325

monochromatic

#0A1124 #182853 #253F83 #3256B3 #5476CF

Accessibility & contrast

On white

9.92

#253F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#253F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F83

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F83	#FFFFFF	#000000	##FFFFFF
##253F83	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174785

Deuteranopia (green-blind)

#003F82

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253f83;
/* rgb */ color: rgb(37, 63, 131);
/* oklch */ color: oklch(38.8% 0.119 265.4);

Tailwind

colors: {
  custom: {
    50: '#6c73a7',
    500: '#253f83',
    950: '#000000',
  },
}

SCSS

$custom: #253f83;
$custom-light: #6c73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#253f83",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 223.404,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38751,
    "c": 0.11882,
    "h": 265.4
  },
  "luminance": 0.05587
}

Semantic roles & 50–950 ramp

primary

#253F83

secondary

#B39851

accent

#B649DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #253F83

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

Preview Lab → · Contrast checker → · Palette generator →