#254F9C#254F9C

#254F9C is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.2% C 0.134 H 261.3°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#254F9C
RGB	rgb(37, 79, 156)
HSL	hsl(219, 62%, 38%)
HSV	hsv(219, 76%, 61%)
CMYK	cmyk(76.3%, 49.4%, 0%, 38.8%)
CIE-LAB	lab(34.77, 13.67, -46.21)
CIE-LCH	lch(34.77, 48.19, 286.48°)
OKLab	oklab(44.22% -0.0204 -0.1327)
OKLCH	oklch(44.22% 0.134 261.3)
XYZ	xyz(9.5575, 8.3845, 32.5607)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254F9C #9C7225

analogous

#258A9C #254F9C #37259C

triadic

#254F9C #9C254F #4F9C25

tetradic

#254F9C #9C258A #9C7225 #259C37

square

#254F9C #9C258A #9C7225 #259C37

split-complementary

#254F9C #9C3725 #8A9C25

monochromatic

#0E1D39 #19366B #254F9C #3168CD #628CDA

Accessibility & contrast

On white

7.84

#254F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#254F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254F9C

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254F9C	#FFFFFF	#000000	##FFFFFF
##254F9C	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23589F

Deuteranopia (green-blind)

#004D9A

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #254f9c;
/* rgb */ color: rgb(37, 79, 156);
/* oklch */ color: oklch(44.2% 0.134 261.3);

Tailwind

colors: {
  custom: {
    50: '#717fba',
    500: '#254f9c',
    950: '#000000',
  },
}

SCSS

$custom: #254f9c;
$custom-light: #717fba;
$custom-dark: #000000;

JSON

{
  "hex": "#254f9c",
  "rgb": {
    "r": 37,
    "g": 79,
    "b": 156
  },
  "hsl": {
    "h": 218.824,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.44219,
    "c": 0.13428,
    "h": 261.3
  },
  "luminance": 0.08386
}

Semantic roles & 50–950 ramp

primary

#254F9C

secondary

#BF9D5E

accent

#AC43E5

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #254F9C

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

Preview Lab → · Contrast checker → · Palette generator →