#25187E#25187E

#25187E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.160 H 277.5°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#25187E
RGB	rgb(37, 24, 126)
HSL	hsl(248, 68%, 29%)
HSV	hsv(248, 81%, 49%)
CMYK	cmyk(70.6%, 81%, 0%, 50.6%)
CIE-LAB	lab(18.15, 38.29, -54.75)
CIE-LCH	lch(18.15, 66.81, 304.97°)
OKLab	oklab(31.14% 0.0208 -0.1582)
OKLCH	oklch(31.14% 0.16 277.5)
XYZ	xyz(4.8543, 2.5525, 19.9715)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25187E #717E18

analogous

#183E7E #25187E #58187E

triadic

#25187E #7E2518 #187E25

tetradic

#25187E #7E183E #717E18 #187E58

square

#25187E #7E183E #717E18 #187E58

split-complementary

#25187E #7E5818 #3E7E18

monochromatic

#08051A #160E4B #25187E #3422B1 #4C37D9

Accessibility & contrast

On white

13.90

#25187E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#25187E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25187E

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25187E	#FFFFFF	#000000	##FFFFFF
##25187E	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00287C

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #25187e;
/* rgb */ color: rgb(37, 24, 126);
/* oklch */ color: oklch(31.1% 0.160 277.5);

Tailwind

colors: {
  custom: {
    50: '#6e58a5',
    500: '#25187e',
    950: '#000000',
  },
}

SCSS

$custom: #25187e;
$custom-light: #6e58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#25187e",
  "rgb": {
    "r": 37,
    "g": 24,
    "b": 126
  },
  "hsl": {
    "h": 247.647,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31136,
    "c": 0.15955,
    "h": 277.5
  },
  "luminance": 0.02553
}

Semantic roles & 50–950 ramp

primary

#25187E

secondary

#A4B23F

accent

#EB3DD5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #25187E

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

Preview Lab → · Contrast checker → · Palette generator →