#25178C#25178C

#25178C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.178 H 275.5°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#25178C
RGB	rgb(37, 23, 140)
HSL	hsl(247, 72%, 32%)
HSV	hsv(247, 84%, 55%)
CMYK	cmyk(73.6%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(19.63, 43.27, -61.13)
CIE-LCH	lch(19.63, 74.89, 305.29°)
OKLab	oklab(32.65% 0.0172 -0.1767)
OKLCH	oklch(32.65% 0.178 275.5)
XYZ	xyz(5.8014, 2.8990, 25.0597)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25178C #7E8C17

analogous

#17448C #25178C #5F178C

triadic

#25178C #8C2517 #178C25

tetradic

#25178C #8C1744 #7E8C17 #178C5F

square

#25178C #8C1744 #7E8C17 #178C5F

split-complementary

#25178C #8C5F17 #448C17

monochromatic

#090623 #170E57 #25178C #3320C1 #513EDF

Accessibility & contrast

On white

13.29

#25178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#25178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25178C

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25178C	#FFFFFF	#000000	##FFFFFF
##25178C	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348F

Deuteranopia (green-blind)

#002A8A

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #25178c;
/* rgb */ color: rgb(37, 23, 140);
/* oklch */ color: oklch(32.6% 0.178 275.5);

Tailwind

colors: {
  custom: {
    50: '#7258af',
    500: '#25178c',
    950: '#000000',
  },
}

SCSS

$custom: #25178c;
$custom-light: #7258af;
$custom-dark: #000000;

JSON

{
  "hex": "#25178c",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 247.179,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32648,
    "c": 0.17754,
    "h": 275.5
  },
  "luminance": 0.029
}

Semantic roles & 50–950 ramp

primary

#25178C

secondary

#B0BF3F

accent

#EF39D9

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #25178C

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

Preview Lab → · Contrast checker → · Palette generator →