#252AA6#252AA6

#252AA6 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.192 H 271.1°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#252AA6
RGB	rgb(37, 42, 166)
HSL	hsl(238, 64%, 40%)
HSV	hsv(238, 78%, 65%)
CMYK	cmyk(77.7%, 74.7%, 0%, 34.9%)
CIE-LAB	lab(26.16, 41.61, -66.30)
CIE-LCH	lch(26.16, 78.28, 302.11°)
OKLab	oklab(38.1% 0.0037 -0.192)
OKLCH	oklch(38.1% 0.192 271.1)
XYZ	xyz(8.4715, 4.8015, 36.5493)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252AA6 #A6A125

analogous

#256BA6 #252AA6 #6025A6

triadic

#252AA6 #A6252A #2AA625

tetradic

#252AA6 #A6256B #A6A125 #25A660

square

#252AA6 #A6256B #A6A125 #25A660

split-complementary

#252AA6 #A66025 #6BA625

monochromatic

#0F1142 #1A1D74 #252AA6 #363CD2 #686DDD

Accessibility & contrast

On white

10.71

#252AA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#252AA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252AA6

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252AA6	#FFFFFF	#000000	##FFFFFF
##252AA6	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AA

Deuteranopia (green-blind)

#0037A4

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #252aa6;
/* rgb */ color: rgb(37, 42, 166);
/* oklch */ color: oklch(38.1% 0.192 271.1);

Tailwind

colors: {
  custom: {
    50: '#7665c2',
    500: '#252aa6',
    950: '#000000',
  },
}

SCSS

$custom: #252aa6;
$custom-light: #7665c2;
$custom-dark: #000000;

JSON

{
  "hex": "#252aa6",
  "rgb": {
    "r": 37,
    "g": 42,
    "b": 166
  },
  "hsl": {
    "h": 237.674,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38099,
    "c": 0.19202,
    "h": 271.1
  },
  "luminance": 0.04802
}

Semantic roles & 50–950 ramp

primary

#252AA6

secondary

#C3C064

accent

#E041E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #252AA6

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

Preview Lab → · Contrast checker → · Palette generator →