#25309F#25309F

#25309F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.3% C 0.177 H 270.6°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#25309F
RGB	rgb(37, 48, 159)
HSL	hsl(235, 62%, 38%)
HSV	hsv(235, 77%, 62%)
CMYK	cmyk(76.7%, 69.8%, 0%, 37.6%)
CIE-LAB	lab(26.76, 35.49, -61.07)
CIE-LCH	lch(26.76, 70.64, 300.17°)
OKLab	oklab(38.31% 0.0018 -0.1767)
OKLCH	oklch(38.31% 0.177 270.6)
XYZ	xyz(8.0758, 5.0095, 33.3355)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25309F #9F9425

analogous

#256D9F #25309F #57259F

triadic

#25309F #9F2530 #309F25

tetradic

#25309F #9F256D #9F9425 #259F57

square

#25309F #9F256D #9F9425 #259F57

split-complementary

#25309F #9F5725 #6D9F25

monochromatic

#0E123C #19216D #25309F #3240CF #646EDB

Accessibility & contrast

On white

10.49

#25309F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#25309F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25309F

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25309F	#FFFFFF	#000000	##FFFFFF
##25309F	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #25309f;
/* rgb */ color: rgb(37, 48, 159);
/* oklch */ color: oklch(38.3% 0.177 270.6);

Tailwind

colors: {
  custom: {
    50: '#7469bc',
    500: '#25309f',
    950: '#000000',
  },
}

SCSS

$custom: #25309f;
$custom-light: #7469bc;
$custom-dark: #000000;

JSON

{
  "hex": "#25309f",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 234.59,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38314,
    "c": 0.17676,
    "h": 270.6
  },
  "luminance": 0.0501
}

Semantic roles & 50–950 ramp

primary

#25309F

secondary

#C0B85F

accent

#D742E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #25309F

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

Preview Lab → · Contrast checker → · Palette generator →