#3237AA#3237AA

#3237AA is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.180 H 273.4°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3237AA
RGB	rgb(50, 55, 170)
HSL	hsl(238, 55%, 43%)
HSV	hsv(238, 71%, 67%)
CMYK	cmyk(70.6%, 67.6%, 0%, 33.3%)
CIE-LAB	lab(30.19, 36.45, -62.06)
CIE-LCH	lch(30.19, 71.97, 300.43°)
OKLab	oklab(41.32% 0.0108 -0.1793)
OKLCH	oklch(41.32% 0.18 273.4)
XYZ	xyz(9.9349, 6.3118, 38.7171)
Luminance	0.0631 (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

#3237AA #AAA532

analogous

#3273AA #3237AA #6932AA

triadic

#3237AA #AA3237 #37AA32

tetradic

#3237AA #AA3273 #AAA532 #32AA69

square

#3237AA #AA3273 #AAA532 #32AA69

split-complementary

#3237AA #AA6932 #73AA32

monochromatic

#16184B #24287B #3237AA #4E53CB #7D81D9

Accessibility & contrast

On white

9.28

#3237AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3237AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237AA

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237AA	#FFFFFF	#000000	##FFFFFF
##3237AA	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAE

Deuteranopia (green-blind)

#0042A8

Tritanopia (blue-blind)

#00566C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3237aa;
/* rgb */ color: rgb(50, 55, 170);
/* oklch */ color: oklch(41.3% 0.180 273.4);

Tailwind

colors: {
  custom: {
    50: '#7b6ec4',
    500: '#3237aa',
    950: '#000000',
  },
}

SCSS

$custom: #3237aa;
$custom-light: #7b6ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#3237aa",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 170
  },
  "hsl": {
    "h": 237.5,
    "s": 54.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41315,
    "c": 0.17964,
    "h": 273.4
  },
  "luminance": 0.06313
}

Semantic roles & 50–950 ramp

primary

#3237AA

secondary

#C2BF76

accent

#D84ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3237AA

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

Preview Lab → · Contrast checker → · Palette generator →