#25178D#25178D

#25178D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.8% C 0.179 H 275.4°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#25178D
RGB	rgb(37, 23, 141)
HSL	hsl(247, 72%, 32%)
HSV	hsv(247, 84%, 55%)
CMYK	cmyk(73.8%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(19.76, 43.58, -61.55)
CIE-LCH	lch(19.76, 75.42, 305.30°)
OKLab	oklab(32.77% 0.0169 -0.1779)
OKLCH	oklch(32.77% 0.179 275.4)
XYZ	xyz(5.8755, 2.9286, 25.4498)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25178D #7F8D17

analogous

#17448D #25178D #60178D

triadic

#25178D #8D2517 #178D25

tetradic

#25178D #8D1744 #7F8D17 #178D60

square

#25178D #8D1744 #7F8D17 #178D60

split-complementary

#25178D #8D6017 #448D17

monochromatic

#090624 #170E58 #25178D #3320C2 #523FE0

Accessibility & contrast

On white

13.24

#25178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#25178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25178D

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25178D	#FFFFFF	#000000	##FFFFFF
##25178D	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#002A8B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #25178d;
/* rgb */ color: rgb(37, 23, 141);
/* oklch */ color: oklch(32.8% 0.179 275.4);

Tailwind

colors: {
  custom: {
    50: '#7258b0',
    500: '#25178d',
    950: '#000000',
  },
}

SCSS

$custom: #25178d;
$custom-light: #7258b0;
$custom-dark: #000000;

JSON

{
  "hex": "#25178d",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 247.119,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32767,
    "c": 0.17874,
    "h": 275.4
  },
  "luminance": 0.02929
}

Semantic roles & 50–950 ramp

primary

#25178D

secondary

#B1C040

accent

#EF39D9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #25178D

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

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