#25388C#25388C

#25388C is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.0% C 0.141 H 268.9°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#25388C
RGB	rgb(37, 56, 140)
HSL	hsl(229, 58%, 35%)
HSV	hsv(229, 74%, 55%)
CMYK	cmyk(73.6%, 60%, 0%, 45.1%)
CIE-LAB	lab(27.06, 23.08, -48.93)
CIE-LCH	lch(27.06, 54.10, 295.25°)
OKLab	oklab(38% -0.0027 -0.1411)
OKLCH	oklch(38% 0.141 268.9)
XYZ	xyz(6.9091, 5.1144, 25.4289)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25388C #8C7925

analogous

#256C8C #25388C #46258C

triadic

#25388C #8C2538 #388C25

tetradic

#25388C #8C256C #8C7925 #258C46

square

#25388C #8C256C #8C7925 #258C46

split-complementary

#25388C #8C4625 #6C8C25

monochromatic

#0B112B #18255C #25388C #324BBC #586FD3

Accessibility & contrast

On white

10.38

#25388C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#25388C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25388C

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25388C	#FFFFFF	#000000	##FFFFFF
##25388C	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #25388c;
/* rgb */ color: rgb(37, 56, 140);
/* oklch */ color: oklch(38.0% 0.141 268.9);

Tailwind

colors: {
  custom: {
    50: '#6f6eae',
    500: '#25388c',
    950: '#000000',
  },
}

SCSS

$custom: #25388c;
$custom-light: #6f6eae;
$custom-dark: #000000;

JSON

{
  "hex": "#25388c",
  "rgb": {
    "r": 37,
    "g": 56,
    "b": 140
  },
  "hsl": {
    "h": 228.932,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38002,
    "c": 0.14115,
    "h": 268.9
  },
  "luminance": 0.05115
}

Semantic roles & 50–950 ramp

primary

#25388C

secondary

#B8A555

accent

#C546E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #25388C

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

Preview Lab → · Contrast checker → · Palette generator →