#252F9A#252F9A

#252F9A is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.171 H 271.0°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#252F9A
RGB	rgb(37, 47, 154)
HSL	hsl(235, 61%, 37%)
HSV	hsv(235, 76%, 60%)
CMYK	cmyk(76%, 69.5%, 0%, 39.6%)
CIE-LAB	lab(26.04, 34.32, -59.21)
CIE-LCH	lch(26.04, 68.44, 300.09°)
OKLab	oklab(37.64% 0.0029 -0.1713)
OKLCH	oklch(37.64% 0.171 271)
XYZ	xyz(7.6102, 4.7586, 31.0830)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F9A #9A9025

analogous

#25699A #252F9A #56259A

triadic

#252F9A #9A252F #2F9A25

tetradic

#252F9A #9A2569 #9A9025 #259A56

square

#252F9A #9A2569 #9A9025 #259A56

split-complementary

#252F9A #9A5625 #699A25

monochromatic

#0D1137 #192069 #252F9A #313ECB #606BD9

Accessibility & contrast

On white

10.76

#252F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#252F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F9A

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F9A	#FFFFFF	#000000	##FFFFFF
##252F9A	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439D

Deuteranopia (green-blind)

#003898

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #252f9a;
/* rgb */ color: rgb(37, 47, 154);
/* oklch */ color: oklch(37.6% 0.171 271.0);

Tailwind

colors: {
  custom: {
    50: '#7368b9',
    500: '#252f9a',
    950: '#000000',
  },
}

SCSS

$custom: #252f9a;
$custom-light: #7368b9;
$custom-dark: #000000;

JSON

{
  "hex": "#252f9a",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 154
  },
  "hsl": {
    "h": 234.872,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37639,
    "c": 0.17135,
    "h": 271
  },
  "luminance": 0.04759
}

Semantic roles & 50–950 ramp

primary

#252F9A

secondary

#BEB65D

accent

#D743E4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #252F9A

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

Preview Lab → · Contrast checker → · Palette generator →