#25285B#25285B

#25285B is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.090 H 277.1°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#25285B
RGB	rgb(37, 40, 91)
HSL	hsl(237, 42%, 25%)
HSV	hsv(237, 59%, 36%)
CMYK	cmyk(59.3%, 56%, 0%, 64.3%)
CIE-LAB	lab(18.65, 15.53, -31.18)
CIE-LCH	lch(18.65, 34.83, 296.48°)
OKLab	oklab(30.48% 0.0111 -0.0891)
OKLCH	oklch(30.48% 0.09 277.1)
XYZ	xyz(3.4095, 2.6660, 10.2304)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25285B #5B5825

analogous

#25435B #25285B #3D255B

triadic

#25285B #5B2528 #285B25

tetradic

#25285B #5B2543 #5B5825 #255B3D

square

#25285B #5B2543 #5B5825 #255B3D

split-complementary

#25285B #5B3D25 #435B25

monochromatic

#090A16 #13152F #25285B #373B87 #484EB2

Accessibility & contrast

On white

13.70

#25285B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#25285B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25285B

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25285B	#FFFFFF	#000000	##FFFFFF
##25285B	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C305D

Deuteranopia (green-blind)

#042B5A

Tritanopia (blue-blind)

#0A343D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #25285b;
/* rgb */ color: rgb(37, 40, 91);
/* oklch */ color: oklch(30.5% 0.090 277.1);

Tailwind

colors: {
  custom: {
    50: '#65618a',
    500: '#25285b',
    950: '#000000',
  },
}

SCSS

$custom: #25285b;
$custom-light: #65618a;
$custom-dark: #000000;

JSON

{
  "hex": "#25285b",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 91
  },
  "hsl": {
    "h": 236.667,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30482,
    "c": 0.08981,
    "h": 277.1
  },
  "luminance": 0.02666
}

Semantic roles & 50–950 ramp

primary

#25285B

secondary

#8E8B4D

accent

#CB56D2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06050C

muted

#7A797D

Preview Lab

Preview with #25285B

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

Preview Lab → · Contrast checker → · Palette generator →