#3237AB#3237AB

#3237AB is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.181 H 273.4°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#3237AB
RGB	rgb(50, 55, 171)
HSL	hsl(238, 55%, 43%)
HSV	hsv(238, 71%, 67%)
CMYK	cmyk(70.8%, 67.8%, 0%, 32.9%)
CIE-LAB	lab(30.28, 36.80, -62.51)
CIE-LCH	lch(30.28, 72.54, 300.49°)
OKLab	oklab(41.41% 0.0107 -0.1806)
OKLCH	oklch(41.41% 0.181 273.4)
XYZ	xyz(10.0298, 6.3498, 39.2172)
Luminance	0.0635 (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

#3237AB #ABA632

analogous

#3273AB #3237AB #6932AB

triadic

#3237AB #AB3237 #37AB32

tetradic

#3237AB #AB3273 #ABA632 #32AB69

square

#3237AB #AB3273 #ABA632 #32AB69

split-complementary

#3237AB #AB6932 #73AB32

monochromatic

#16194C #24287C #3237AB #4F54CB #7E82D9

Accessibility & contrast

On white

9.25

#3237AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3237AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237AB

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237AB	#FFFFFF	#000000	##FFFFFF
##3237AB	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAF

Deuteranopia (green-blind)

#0042A9

Tritanopia (blue-blind)

#00566C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3237ab;
/* rgb */ color: rgb(50, 55, 171);
/* oklch */ color: oklch(41.4% 0.181 273.4);

Tailwind

colors: {
  custom: {
    50: '#7b6ec5',
    500: '#3237ab',
    950: '#000000',
  },
}

SCSS

$custom: #3237ab;
$custom-light: #7b6ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3237ab",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 171
  },
  "hsl": {
    "h": 237.521,
    "s": 54.751,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4141,
    "c": 0.18095,
    "h": 273.4
  },
  "luminance": 0.06351
}

Semantic roles & 50–950 ramp

primary

#3237AB

secondary

#C2BF77

accent

#D84ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3237AB

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

Preview Lab → · Contrast checker → · Palette generator →