#25378C#25378C

#25378C is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.142 H 269.2°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#25378C
RGB	rgb(37, 55, 140)
HSL	hsl(230, 58%, 35%)
HSV	hsv(230, 74%, 55%)
CMYK	cmyk(73.6%, 60.7%, 0%, 45.1%)
CIE-LAB	lab(26.79, 23.76, -49.37)
CIE-LCH	lch(26.79, 54.79, 295.70°)
OKLab	oklab(37.8% -0.0019 -0.1424)
OKLCH	oklch(37.8% 0.142 269.2)
XYZ	xyz(6.8611, 5.0184, 25.4129)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25378C #8C7A25

analogous

#256A8C #25378C #47258C

triadic

#25378C #8C2537 #378C25

tetradic

#25378C #8C256A #8C7A25 #258C47

square

#25378C #8C256A #8C7A25 #258C47

split-complementary

#25378C #8C4725 #6A8C25

monochromatic

#0B112B #18245C #25378C #324ABC #586ED3

Accessibility & contrast

On white

10.48

#25378C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#25378C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25378C

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25378C	#FFFFFF	#000000	##FFFFFF
##25378C	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #25378c;
/* rgb */ color: rgb(37, 55, 140);
/* oklch */ color: oklch(37.8% 0.142 269.2);

Tailwind

colors: {
  custom: {
    50: '#6f6dae',
    500: '#25378c',
    950: '#000000',
  },
}

SCSS

$custom: #25378c;
$custom-light: #6f6dae;
$custom-dark: #000000;

JSON

{
  "hex": "#25378c",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 140
  },
  "hsl": {
    "h": 229.515,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.378,
    "c": 0.14244,
    "h": 269.2
  },
  "luminance": 0.05019
}

Semantic roles & 50–950 ramp

primary

#25378C

secondary

#B8A655

accent

#C646E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #25378C

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

Preview Lab → · Contrast checker → · Palette generator →