#25388E#25388E

#25388E is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.144 H 268.9°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#25388E
RGB	rgb(37, 56, 142)
HSL	hsl(229, 59%, 35%)
HSV	hsv(229, 74%, 56%)
CMYK	cmyk(73.9%, 60.6%, 0%, 44.3%)
CIE-LAB	lab(27.22, 23.85, -49.89)
CIE-LCH	lch(27.22, 55.30, 295.55°)
OKLab	oklab(38.18% -0.0026 -0.144)
OKLCH	oklch(38.18% 0.144 268.9)
XYZ	xyz(7.0579, 5.1739, 26.2126)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25388E #8E7B25

analogous

#256C8E #25388E #47258E

triadic

#25388E #8E2538 #388E25

tetradic

#25388E #8E256C #8E7B25 #258E47

square

#25388E #8E256C #8E7B25 #258E47

split-complementary

#25388E #8E4725 #6C8E25

monochromatic

#0C122D #18255D #25388E #324BBF #5A70D4

Accessibility & contrast

On white

10.32

#25388E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#25388E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25388E

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25388E	#FFFFFF	#000000	##FFFFFF
##25388E	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#003C8C

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #25388e;
/* rgb */ color: rgb(37, 56, 142);
/* oklch */ color: oklch(38.2% 0.144 268.9);

Tailwind

colors: {
  custom: {
    50: '#6f6eb0',
    500: '#25388e',
    950: '#000000',
  },
}

SCSS

$custom: #25388e;
$custom-light: #6f6eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#25388e",
  "rgb": {
    "r": 37,
    "g": 56,
    "b": 142
  },
  "hsl": {
    "h": 229.143,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38178,
    "c": 0.14398,
    "h": 268.9
  },
  "luminance": 0.05175
}

Semantic roles & 50–950 ramp

primary

#25388E

secondary

#B9A756

accent

#C646E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #25388E

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

Preview Lab → · Contrast checker → · Palette generator →