#25257D#25257D

#25257D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.144 H 275.1°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#25257D
RGB	rgb(37, 37, 125)
HSL	hsl(240, 54%, 32%)
HSV	hsv(240, 70%, 49%)
CMYK	cmyk(70.4%, 70.4%, 0%, 51%)
CIE-LAB	lab(20.82, 30.21, -49.73)
CIE-LCH	lch(20.82, 58.19, 301.28°)
OKLab	oklab(33% 0.0128 -0.1436)
OKLCH	oklch(33% 0.144 275.1)
XYZ	xyz(5.1250, 3.1967, 19.7450)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25257D #7D7D25

analogous

#25517D #25257D #51257D

triadic

#25257D #7D2525 #257D25

tetradic

#25257D #7D2551 #7D7D25 #257D51

square

#25257D #7D2551 #7D7D25 #257D51

split-complementary

#25257D #7D5125 #517D25

monochromatic

#09091F #17174E #25257D #3333AC #5151CB

Accessibility & contrast

On white

12.81

#25257D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#25257D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25257D

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25257D	#FFFFFF	#000000	##FFFFFF
##25257D	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003680

Deuteranopia (green-blind)

#002E7B

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #25257d;
/* rgb */ color: rgb(37, 37, 125);
/* oklch */ color: oklch(33.0% 0.144 275.1);

Tailwind

colors: {
  custom: {
    50: '#6d60a4',
    500: '#25257d',
    950: '#000000',
  },
}

SCSS

$custom: #25257d;
$custom-light: #6d60a4;
$custom-dark: #000000;

JSON

{
  "hex": "#25257d",
  "rgb": {
    "r": 37,
    "g": 37,
    "b": 125
  },
  "hsl": {
    "h": 240,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32995,
    "c": 0.1442,
    "h": 275.1
  },
  "luminance": 0.03197
}

Semantic roles & 50–950 ramp

primary

#25257D

secondary

#AFAF4F

accent

#DE4ADE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #25257D

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

Preview Lab → · Contrast checker → · Palette generator →