#25318F#25318F

#25318F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.154 H 270.9°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#25318F
RGB	rgb(37, 49, 143)
HSL	hsl(233, 59%, 35%)
HSV	hsv(233, 74%, 56%)
CMYK	cmyk(74.1%, 65.7%, 0%, 43.9%)
CIE-LAB	lab(25.48, 28.95, -53.36)
CIE-LCH	lch(25.48, 60.71, 298.48°)
OKLab	oklab(36.92% 0.0025 -0.1542)
OKLCH	oklch(36.92% 0.154 270.9)
XYZ	xyz(6.8175, 4.5724, 26.5045)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25318F #8F8325

analogous

#25668F #25318F #4E258F

triadic

#25318F #8F2531 #318F25

tetradic

#25318F #8F2566 #8F8325 #258F4E

square

#25318F #8F2566 #8F8325 #258F4E

split-complementary

#25318F #8F4E25 #668F25

monochromatic

#0C102E #18205E #25318F #3242C0 #5A68D4

Accessibility & contrast

On white

10.97

#25318F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#25318F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25318F

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25318F	#FFFFFF	#000000	##FFFFFF
##25318F	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00378D

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #25318f;
/* rgb */ color: rgb(37, 49, 143);
/* oklch */ color: oklch(36.9% 0.154 270.9);

Tailwind

colors: {
  custom: {
    50: '#7069b1',
    500: '#25318f',
    950: '#000000',
  },
}

SCSS

$custom: #25318f;
$custom-light: #7069b1;
$custom-dark: #000000;

JSON

{
  "hex": "#25318f",
  "rgb": {
    "r": 37,
    "g": 49,
    "b": 143
  },
  "hsl": {
    "h": 233.208,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36916,
    "c": 0.15422,
    "h": 270.9
  },
  "luminance": 0.04573
}

Semantic roles & 50–950 ramp

primary

#25318F

secondary

#B9AE57

accent

#D046E2

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #25318F

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

Preview Lab → · Contrast checker → · Palette generator →