#252C8F#252C8F

#252C8F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.160 H 272.1°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#252C8F
RGB	rgb(37, 44, 143)
HSL	hsl(236, 59%, 35%)
HSV	hsv(236, 74%, 56%)
CMYK	cmyk(74.1%, 69.2%, 0%, 43.9%)
CIE-LAB	lab(24.25, 32.23, -55.38)
CIE-LCH	lch(24.25, 64.08, 300.20°)
OKLab	oklab(36.02% 0.0058 -0.1601)
OKLCH	oklch(36.02% 0.16 272.1)
XYZ	xyz(6.6199, 4.1772, 26.4387)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252C8F #8F8825

analogous

#25618F #252C8F #53258F

triadic

#252C8F #8F252C #2C8F25

tetradic

#252C8F #8F2561 #8F8825 #258F53

square

#252C8F #8F2561 #8F8825 #258F53

split-complementary

#252C8F #8F5325 #618F25

monochromatic

#0C0E2E #181D5E #252C8F #323BC0 #5A62D4

Accessibility & contrast

On white

11.44

#252C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#252C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252C8F

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252C8F	#FFFFFF	#000000	##FFFFFF
##252C8F	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #252c8f;
/* rgb */ color: rgb(37, 44, 143);
/* oklch */ color: oklch(36.0% 0.160 272.1);

Tailwind

colors: {
  custom: {
    50: '#7065b1',
    500: '#252c8f',
    950: '#000000',
  },
}

SCSS

$custom: #252c8f;
$custom-light: #7065b1;
$custom-dark: #000000;

JSON

{
  "hex": "#252c8f",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 143
  },
  "hsl": {
    "h": 236.038,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36018,
    "c": 0.16025,
    "h": 272.1
  },
  "luminance": 0.04178
}

Semantic roles & 50–950 ramp

primary

#252C8F

secondary

#B9B357

accent

#D846E2

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #252C8F

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

Preview Lab → · Contrast checker → · Palette generator →