#254F9F#254F9F

#254F9F is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.139 H 261.7°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#254F9F
RGB	rgb(37, 79, 159)
HSL	hsl(219, 62%, 38%)
HSV	hsv(219, 77%, 62%)
CMYK	cmyk(76.7%, 50.3%, 0%, 37.6%)
CIE-LAB	lab(34.98, 14.84, -47.68)
CIE-LCH	lch(34.98, 49.94, 287.29°)
OKLab	oklab(44.44% -0.0199 -0.1371)
OKLCH	oklch(44.44% 0.139 261.7)
XYZ	xyz(9.8147, 8.4874, 33.9151)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254F9F #9F7525

analogous

#258C9F #254F9F #38259F

triadic

#254F9F #9F254F #4F9F25

tetradic

#254F9F #9F258C #9F7525 #259F38

square

#254F9F #9F258C #9F7525 #259F38

split-complementary

#254F9F #9F3825 #8C9F25

monochromatic

#0E1E3C #19366D #254F9F #3268CF #648DDB

Accessibility & contrast

On white

7.78

#254F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#254F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254F9F

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254F9F	#FFFFFF	#000000	##FFFFFF
##254F9F	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2058A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #254f9f;
/* rgb */ color: rgb(37, 79, 159);
/* oklch */ color: oklch(44.4% 0.139 261.7);

Tailwind

colors: {
  custom: {
    50: '#727fbc',
    500: '#254f9f',
    950: '#000000',
  },
}

SCSS

$custom: #254f9f;
$custom-light: #727fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#254f9f",
  "rgb": {
    "r": 37,
    "g": 79,
    "b": 159
  },
  "hsl": {
    "h": 219.344,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44443,
    "c": 0.1385,
    "h": 261.7
  },
  "luminance": 0.08488
}

Semantic roles & 50–950 ramp

primary

#254F9F

secondary

#C09F5F

accent

#AD42E5

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #254F9F

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

Preview Lab → · Contrast checker → · Palette generator →