#25318E#25318E

#25318E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.8% C 0.153 H 271.0°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#25318E
RGB	rgb(37, 49, 142)
HSL	hsl(233, 59%, 35%)
HSV	hsv(233, 74%, 56%)
CMYK	cmyk(73.9%, 65.5%, 0%, 44.3%)
CIE-LAB	lab(25.39, 28.58, -52.89)
CIE-LCH	lch(25.39, 60.12, 298.38°)
OKLab	oklab(36.82% 0.0026 -0.1528)
OKLCH	oklch(36.82% 0.153 271)
XYZ	xyz(6.7421, 4.5422, 26.1074)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25318E #8E8225

analogous

#25658E #25318E #4E258E

triadic

#25318E #8E2531 #318E25

tetradic

#25318E #8E2565 #8E8225 #258E4E

square

#25318E #8E2565 #8E8225 #258E4E

split-complementary

#25318E #8E4E25 #658E25

monochromatic

#0C0F2D #18205D #25318E #3242BF #5A68D4

Accessibility & contrast

On white

11.00

#25318E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#25318E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25318E

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25318E	#FFFFFF	#000000	##FFFFFF
##25318E	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00378C

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #25318e;
/* rgb */ color: rgb(37, 49, 142);
/* oklch */ color: oklch(36.8% 0.153 271.0);

Tailwind

colors: {
  custom: {
    50: '#7069b0',
    500: '#25318e',
    950: '#000000',
  },
}

SCSS

$custom: #25318e;
$custom-light: #7069b0;
$custom-dark: #000000;

JSON

{
  "hex": "#25318e",
  "rgb": {
    "r": 37,
    "g": 49,
    "b": 142
  },
  "hsl": {
    "h": 233.143,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.3682,
    "c": 0.15285,
    "h": 271
  },
  "luminance": 0.04543
}

Semantic roles & 50–950 ramp

primary

#25318E

secondary

#B9AD56

accent

#D046E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #25318E

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

Preview Lab → · Contrast checker → · Palette generator →