#25388F#25388F

#25388F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.3% C 0.145 H 269.0°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#25388F
RGB	rgb(37, 56, 143)
HSL	hsl(229, 59%, 35%)
HSV	hsv(229, 74%, 56%)
CMYK	cmyk(74.1%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(27.31, 24.23, -50.37)
CIE-LCH	lch(27.31, 55.90, 295.69°)
OKLab	oklab(38.27% -0.0026 -0.1454)
OKLCH	oklch(38.27% 0.145 269)
XYZ	xyz(7.1333, 5.2041, 26.6098)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25388F #8F7C25

analogous

#256D8F #25388F #47258F

triadic

#25388F #8F2538 #388F25

tetradic

#25388F #8F256D #8F7C25 #258F47

square

#25388F #8F256D #8F7C25 #258F47

split-complementary

#25388F #8F4725 #6D8F25

monochromatic

#0C122E #18255E #25388F #324BC0 #5A70D4

Accessibility & contrast

On white

10.29

#25388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#25388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25388F

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25388F	#FFFFFF	#000000	##FFFFFF
##25388F	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#003C8D

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #25388f;
/* rgb */ color: rgb(37, 56, 143);
/* oklch */ color: oklch(38.3% 0.145 269.0);

Tailwind

colors: {
  custom: {
    50: '#6f6eb1',
    500: '#25388f',
    950: '#000000',
  },
}

SCSS

$custom: #25388f;
$custom-light: #6f6eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#25388f",
  "rgb": {
    "r": 37,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 229.245,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.38266,
    "c": 0.14539,
    "h": 269
  },
  "luminance": 0.05205
}

Semantic roles & 50–950 ramp

primary

#25388F

secondary

#B9A757

accent

#C646E2

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #25388F

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

Preview Lab → · Contrast checker → · Palette generator →