#25309E#25309E

#25309E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.2% C 0.175 H 270.6°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#25309E
RGB	rgb(37, 48, 158)
HSL	hsl(235, 62%, 38%)
HSV	hsv(235, 77%, 62%)
CMYK	cmyk(76.6%, 69.6%, 0%, 38%)
CIE-LAB	lab(26.66, 35.13, -60.62)
CIE-LCH	lch(26.66, 70.07, 300.09°)
OKLab	oklab(38.21% 0.0019 -0.1754)
OKLCH	oklch(38.21% 0.175 270.6)
XYZ	xyz(7.9894, 4.9750, 32.8803)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25309E #9E9325

analogous

#256D9E #25309E #56259E

triadic

#25309E #9E2530 #309E25

tetradic

#25309E #9E256D #9E9325 #259E56

square

#25309E #9E256D #9E9325 #259E56

split-complementary

#25309E #9E5625 #6D9E25

monochromatic

#0E123B #19216C #25309E #3140CF #636EDA

Accessibility & contrast

On white

10.53

#25309E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#25309E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25309E

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25309E	#FFFFFF	#000000	##FFFFFF
##25309E	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#00399C

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #25309e;
/* rgb */ color: rgb(37, 48, 158);
/* oklch */ color: oklch(38.2% 0.175 270.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#25309e",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 158
  },
  "hsl": {
    "h": 234.545,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38213,
    "c": 0.17545,
    "h": 270.6
  },
  "luminance": 0.04976
}

Semantic roles & 50–950 ramp

primary

#25309E

secondary

#C0B75F

accent

#D643E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #25309E

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

Preview Lab → · Contrast checker → · Palette generator →