#25458B#25458B

#25458B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.7% C 0.123 H 263.5°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#25458B
RGB	rgb(37, 69, 139)
HSL	hsl(221, 58%, 35%)
HSV	hsv(221, 73%, 55%)
CMYK	cmyk(73.4%, 50.4%, 0%, 45.5%)
CIE-LAB	lab(30.67, 13.76, -42.46)
CIE-LCH	lch(30.67, 44.63, 287.96°)
OKLab	oklab(40.71% -0.014 -0.1219)
OKLCH	oklch(40.71% 0.123 263.5)
XYZ	xyz(7.5496, 6.5128, 25.2803)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25458B #8B6B25

analogous

#25788B #25458B #38258B

triadic

#25458B #8B2545 #458B25

tetradic

#25458B #8B2578 #8B6B25 #258B38

square

#25458B #8B2578 #8B6B25 #258B38

split-complementary

#25458B #8B3825 #788B25

monochromatic

#0B152A #182D5B #25458B #325DBB #587ED3

Accessibility & contrast

On white

9.12

#25458B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#25458B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25458B

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25458B	#FFFFFF	#000000	##FFFFFF
##25458B	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4D8E

Deuteranopia (green-blind)

#00448A

Tritanopia (blue-blind)

#005661

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #25458b;
/* rgb */ color: rgb(37, 69, 139);
/* oklch */ color: oklch(40.7% 0.123 263.5);

Tailwind

colors: {
  custom: {
    50: '#6e78ad',
    500: '#25458b',
    950: '#000000',
  },
}

SCSS

$custom: #25458b;
$custom-light: #6e78ad;
$custom-dark: #000000;

JSON

{
  "hex": "#25458b",
  "rgb": {
    "r": 37,
    "g": 69,
    "b": 139
  },
  "hsl": {
    "h": 221.176,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40706,
    "c": 0.12268,
    "h": 263.5
  },
  "luminance": 0.06514
}

Semantic roles & 50–950 ramp

primary

#25458B

secondary

#B79855

accent

#B147E1

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #25458B

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

Preview Lab → · Contrast checker → · Palette generator →