#25187B#25187B

#25187B is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.156 H 278.0°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#25187B
RGB	rgb(37, 24, 123)
HSL	hsl(248, 67%, 29%)
HSV	hsv(248, 80%, 48%)
CMYK	cmyk(69.9%, 80.5%, 0%, 51.8%)
CIE-LAB	lab(17.81, 37.31, -53.40)
CIE-LCH	lch(17.81, 65.15, 304.94°)
OKLab	oklab(30.79% 0.0216 -0.1543)
OKLCH	oklch(30.79% 0.156 278)
XYZ	xyz(4.6636, 2.4762, 18.9672)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25187B #6E7B18

analogous

#183D7B #25187B #57187B

triadic

#25187B #7B2518 #187B25

tetradic

#25187B #7B183D #6E7B18 #187B57

square

#25187B #7B183D #6E7B18 #187B57

split-complementary

#25187B #7B5718 #3D7B18

monochromatic

#08051A #160E48 #25187B #3422AE #4B36D8

Accessibility & contrast

On white

14.04

#25187B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#25187B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25187B

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25187B	#FFFFFF	#000000	##FFFFFF
##25187B	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7E

Deuteranopia (green-blind)

#002779

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #25187b;
/* rgb */ color: rgb(37, 24, 123);
/* oklch */ color: oklch(30.8% 0.156 278.0);

Tailwind

colors: {
  custom: {
    50: '#6d58a2',
    500: '#25187b',
    950: '#000000',
  },
}

SCSS

$custom: #25187b;
$custom-light: #6d58a2;
$custom-dark: #000000;

JSON

{
  "hex": "#25187b",
  "rgb": {
    "r": 37,
    "g": 24,
    "b": 123
  },
  "hsl": {
    "h": 247.879,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30794,
    "c": 0.15578,
    "h": 278
  },
  "luminance": 0.02477
}

Semantic roles & 50–950 ramp

primary

#25187B

secondary

#A1B03F

accent

#EA3ED4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #25187B

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

Preview Lab → · Contrast checker → · Palette generator →