#25478F#25478F

#25478F is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.5% C 0.126 H 263.0°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#25478F
RGB	rgb(37, 71, 143)
HSL	hsl(221, 59%, 35%)
HSV	hsv(221, 74%, 56%)
CMYK	cmyk(74.1%, 50.3%, 0%, 43.9%)
CIE-LAB	lab(31.54, 13.97, -43.52)
CIE-LCH	lch(31.54, 45.71, 287.80°)
OKLab	oklab(41.46% -0.0152 -0.125)
OKLCH	oklch(41.46% 0.126 263)
XYZ	xyz(7.9723, 6.8821, 26.8895)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25478F #8F6D25

analogous

#257C8F #25478F #38258F

triadic

#25478F #8F2547 #478F25

tetradic

#25478F #8F257C #8F6D25 #258F38

square

#25478F #8F257C #8F6D25 #258F38

split-complementary

#25478F #8F3825 #7C8F25

monochromatic

#0C172E #182F5E #25478F #325FC0 #5A81D4

Accessibility & contrast

On white

8.84

#25478F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#25478F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25478F

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25478F	#FFFFFF	#000000	##FFFFFF
##25478F	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4F92

Deuteranopia (green-blind)

#00468E

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #25478f;
/* rgb */ color: rgb(37, 71, 143);
/* oklch */ color: oklch(41.5% 0.126 263.0);

Tailwind

colors: {
  custom: {
    50: '#6e79b0',
    500: '#25478f',
    950: '#000000',
  },
}

SCSS

$custom: #25478f;
$custom-light: #6e79b0;
$custom-dark: #000000;

JSON

{
  "hex": "#25478f",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 143
  },
  "hsl": {
    "h": 220.755,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41457,
    "c": 0.1259,
    "h": 263
  },
  "luminance": 0.06883
}

Semantic roles & 50–950 ramp

primary

#25478F

secondary

#B99A57

accent

#B046E2

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #25478F

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

Preview Lab → · Contrast checker → · Palette generator →