#252571#252571

#252571 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.127 H 276.4°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#252571
RGB	rgb(37, 37, 113)
HSL	hsl(240, 51%, 29%)
HSV	hsv(240, 67%, 44%)
CMYK	cmyk(67.3%, 67.3%, 0%, 55.7%)
CIE-LAB	lab(19.67, 25.83, -43.92)
CIE-LCH	lch(19.67, 50.95, 300.46°)
OKLab	oklab(31.82% 0.0141 -0.1266)
OKLCH	oklch(31.82% 0.127 276.4)
XYZ	xyz(4.4042, 2.9083, 15.9489)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252571 #717125

analogous

#254B71 #252571 #4B2571

triadic

#252571 #712525 #257125

tetradic

#252571 #71254B #717125 #25714B

square

#252571 #71254B #717125 #25714B

split-complementary

#252571 #714B25 #4B7125

monochromatic

#080817 #161643 #252571 #34349F #4C4CC4

Accessibility & contrast

On white

13.28

#252571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#252571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252571

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252571	#FFFFFF	#000000	##FFFFFF
##252571	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003373

Deuteranopia (green-blind)

#002C70

Tritanopia (blue-blind)

#003847

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #252571;
/* rgb */ color: rgb(37, 37, 113);
/* oklch */ color: oklch(31.8% 0.127 276.4);

Tailwind

colors: {
  custom: {
    50: '#6a609b',
    500: '#252571',
    950: '#000000',
  },
}

SCSS

$custom: #252571;
$custom-light: #6a609b;
$custom-dark: #000000;

JSON

{
  "hex": "#252571",
  "rgb": {
    "r": 37,
    "g": 37,
    "b": 113
  },
  "hsl": {
    "h": 240,
    "s": 50.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31815,
    "c": 0.12739,
    "h": 276.4
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#252571

secondary

#A4A44E

accent

#DA4EDA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #252571

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

Preview Lab → · Contrast checker → · Palette generator →