#25487B#25487B

#25487B is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.3% C 0.095 H 257.9°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#25487B
RGB	rgb(37, 72, 123)
HSL	hsl(216, 54%, 31%)
HSV	hsv(216, 70%, 48%)
CMYK	cmyk(69.9%, 41.5%, 0%, 51.8%)
CIE-LAB	lab(30.54, 5.48, -32.75)
CIE-LCH	lch(30.54, 33.20, 279.50°)
OKLab	oklab(40.27% -0.02 -0.0933)
OKLCH	oklch(40.27% 0.095 257.9)
XYZ	xyz(6.6542, 6.4574, 19.6308)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25487B #7B5825

analogous

#25737B #25487B #2D257B

triadic

#25487B #7B2548 #487B25

tetradic

#25487B #7B2573 #7B5825 #257B2D

square

#25487B #7B2573 #7B5825 #257B2D

split-complementary

#25487B #7B2D25 #737B25

monochromatic

#09111D #172C4C #25487B #3364AA #5082CA

Accessibility & contrast

On white

9.16

#25487B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#25487B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25487B

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25487B	#FFFFFF	#000000	##FFFFFF
##25487B	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314C7D

Deuteranopia (green-blind)

#24447A

Tritanopia (blue-blind)

#00545B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #25487b;
/* rgb */ color: rgb(37, 72, 123);
/* oklch */ color: oklch(40.3% 0.095 257.9);

Tailwind

colors: {
  custom: {
    50: '#6a7aa1',
    500: '#25487b',
    950: '#000000',
  },
}

SCSS

$custom: #25487b;
$custom-light: #6a7aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#25487b",
  "rgb": {
    "r": 37,
    "g": 72,
    "b": 123
  },
  "hsl": {
    "h": 215.581,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40269,
    "c": 0.09542,
    "h": 257.9
  },
  "luminance": 0.06458
}

Semantic roles & 50–950 ramp

primary

#25487B

secondary

#AD874F

accent

#A24BDD

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #25487B

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

Preview Lab → · Contrast checker → · Palette generator →