#25287E#25287E

#25287E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.142 H 274.2°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#25287E
RGB	rgb(37, 40, 126)
HSL	hsl(238, 55%, 32%)
HSV	hsv(238, 71%, 49%)
CMYK	cmyk(70.6%, 68.3%, 0%, 50.6%)
CIE-LAB	lab(21.64, 28.61, -49.01)
CIE-LCH	lch(21.64, 56.75, 300.28°)
OKLab	oklab(33.62% 0.0104 -0.1415)
OKLCH	oklch(33.62% 0.142 274.2)
XYZ	xyz(5.2864, 3.4168, 20.1155)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25287E #7E7B25

analogous

#25547E #25287E #4F257E

triadic

#25287E #7E2528 #287E25

tetradic

#25287E #7E2554 #7E7B25 #257E4F

square

#25287E #7E2554 #7E7B25 #257E4F

split-complementary

#25287E #7E4F25 #547E25

monochromatic

#090A1F #17194F #25287E #3337AD #5156CC

Accessibility & contrast

On white

12.47

#25287E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#25287E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25287E

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25287E	#FFFFFF	#000000	##FFFFFF
##25287E	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #25287e;
/* rgb */ color: rgb(37, 40, 126);
/* oklch */ color: oklch(33.6% 0.142 274.2);

Tailwind

colors: {
  custom: {
    50: '#6d62a4',
    500: '#25287e',
    950: '#000000',
  },
}

SCSS

$custom: #25287e;
$custom-light: #6d62a4;
$custom-dark: #000000;

JSON

{
  "hex": "#25287e",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 126
  },
  "hsl": {
    "h": 237.978,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33624,
    "c": 0.14189,
    "h": 274.2
  },
  "luminance": 0.03417
}

Semantic roles & 50–950 ramp

primary

#25287E

secondary

#B0AD4F

accent

#D94ADE

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #25287E

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

Preview Lab → · Contrast checker → · Palette generator →