#252A99#252A99

#252A99 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.176 H 271.9°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#252A99
RGB	rgb(37, 42, 153)
HSL	hsl(237, 61%, 37%)
HSV	hsv(237, 76%, 60%)
CMYK	cmyk(75.8%, 72.5%, 0%, 40%)
CIE-LAB	lab(24.79, 37.09, -60.65)
CIE-LCH	lch(24.79, 71.09, 301.44°)
OKLab	oklab(36.71% 0.0057 -0.1755)
OKLCH	oklch(36.71% 0.176 271.9)
XYZ	xyz(7.3387, 4.3484, 30.5834)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252A99 #999425

analogous

#256499 #252A99 #5A2599

triadic

#252A99 #99252A #2A9925

tetradic

#252A99 #992564 #999425 #25995A

square

#252A99 #992564 #999425 #25995A

split-complementary

#252A99 #995A25 #649925

monochromatic

#0D0F36 #191C68 #252A99 #3138CA #6065D9

Accessibility & contrast

On white

11.23

#252A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#252A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252A99

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252A99	#FFFFFF	#000000	##FFFFFF
##252A99	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409C

Deuteranopia (green-blind)

#003597

Tritanopia (blue-blind)

#00495E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #252a99;
/* rgb */ color: rgb(37, 42, 153);
/* oklch */ color: oklch(36.7% 0.176 271.9);

Tailwind

colors: {
  custom: {
    50: '#7364b8',
    500: '#252a99',
    950: '#000000',
  },
}

SCSS

$custom: #252a99;
$custom-light: #7364b8;
$custom-dark: #000000;

JSON

{
  "hex": "#252a99",
  "rgb": {
    "r": 37,
    "g": 42,
    "b": 153
  },
  "hsl": {
    "h": 237.414,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36712,
    "c": 0.17561,
    "h": 271.9
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#252A99

secondary

#BEB95C

accent

#DD44E4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #252A99

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

Preview Lab → · Contrast checker → · Palette generator →