#3237AC#3237AC

#3237AC is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.5% C 0.182 H 273.3°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#3237AC
RGB	rgb(50, 55, 172)
HSL	hsl(238, 55%, 44%)
HSV	hsv(238, 71%, 67%)
CMYK	cmyk(70.9%, 68%, 0%, 32.5%)
CIE-LAB	lab(30.37, 37.15, -62.96)
CIE-LCH	lch(30.37, 73.10, 300.54°)
OKLab	oklab(41.51% 0.0106 -0.1819)
OKLCH	oklch(41.51% 0.182 273.3)
XYZ	xyz(10.1255, 6.3881, 39.7211)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3237AC #ACA732

analogous

#3274AC #3237AC #6A32AC

triadic

#3237AC #AC3237 #37AC32

tetradic

#3237AC #AC3274 #ACA732 #32AC6A

square

#3237AC #AC3274 #ACA732 #32AC6A

split-complementary

#3237AC #AC6A32 #74AC32

monochromatic

#16194D #24287D #3237AC #4F54CC #7F82DA

Accessibility & contrast

On white

9.22

#3237AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3237AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237AC

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237AC	#FFFFFF	#000000	##FFFFFF
##3237AC	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB0

Deuteranopia (green-blind)

#0042AA

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3237ac;
/* rgb */ color: rgb(50, 55, 172);
/* oklch */ color: oklch(41.5% 0.182 273.3);

Tailwind

colors: {
  custom: {
    50: '#7b6ec6',
    500: '#3237ac',
    950: '#000000',
  },
}

SCSS

$custom: #3237ac;
$custom-light: #7b6ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#3237ac",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 172
  },
  "hsl": {
    "h": 237.541,
    "s": 54.955,
    "l": 43.529
  },
  "oklch": {
    "l": 0.41506,
    "c": 0.18225,
    "h": 273.3
  },
  "luminance": 0.06389
}

Semantic roles & 50–950 ramp

primary

#3237AC

secondary

#C3C077

accent

#D84ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3237AC

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

Preview Lab → · Contrast checker → · Palette generator →