#25278E#25278E

#25278E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.165 H 273.1°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#25278E
RGB	rgb(37, 39, 142)
HSL	hsl(239, 59%, 35%)
HSV	hsv(239, 74%, 56%)
CMYK	cmyk(73.9%, 72.5%, 0%, 44.3%)
CIE-LAB	lab(22.99, 35.04, -56.83)
CIE-LCH	lch(22.99, 66.77, 301.66°)
OKLab	oklab(35.08% 0.009 -0.1644)
OKLCH	oklch(35.08% 0.165 273.1)
XYZ	xyz(6.3693, 3.7967, 25.9831)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25278E #8E8C25

analogous

#255C8E #25278E #57258E

triadic

#25278E #8E2527 #278E25

tetradic

#25278E #8E255C #8E8C25 #258E57

square

#25278E #8E255C #8E8C25 #258E57

split-complementary

#25278E #8E5725 #5C8E25

monochromatic

#0C0C2D #181A5D #25278E #3234BF #5A5CD4

Accessibility & contrast

On white

11.94

#25278E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#25278E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25278E

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25278E	#FFFFFF	#000000	##FFFFFF
##25278E	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #25278e;
/* rgb */ color: rgb(37, 39, 142);
/* oklch */ color: oklch(35.1% 0.165 273.1);

Tailwind

colors: {
  custom: {
    50: '#7162b0',
    500: '#25278e',
    950: '#000000',
  },
}

SCSS

$custom: #25278e;
$custom-light: #7162b0;
$custom-dark: #000000;

JSON

{
  "hex": "#25278e",
  "rgb": {
    "r": 37,
    "g": 39,
    "b": 142
  },
  "hsl": {
    "h": 238.857,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35078,
    "c": 0.16463,
    "h": 273.1
  },
  "luminance": 0.03797
}

Semantic roles & 50–950 ramp

primary

#25278E

secondary

#B9B756

accent

#DF46E2

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #25278E

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

Preview Lab → · Contrast checker → · Palette generator →