#3237A9#3237A9

#3237A9 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.178 H 273.5°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#3237A9
RGB	rgb(50, 55, 169)
HSL	hsl(237, 54%, 43%)
HSV	hsv(237, 70%, 66%)
CMYK	cmyk(70.4%, 67.5%, 0%, 33.7%)
CIE-LAB	lab(30.09, 36.10, -61.61)
CIE-LCH	lch(30.09, 71.41, 300.37°)
OKLab	oklab(41.22% 0.0109 -0.178)
OKLCH	oklch(41.22% 0.178 273.5)
XYZ	xyz(9.8406, 6.2741, 38.2208)
Luminance	0.0628 (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

#3237A9 #A9A432

analogous

#3272A9 #3237A9 #6832A9

triadic

#3237A9 #A93237 #37A932

tetradic

#3237A9 #A93272 #A9A432 #32A968

square

#3237A9 #A93272 #A9A432 #32A968

split-complementary

#3237A9 #A96832 #72A932

monochromatic

#16184B #24287A #3237A9 #4E53CB #7D81D9

Accessibility & contrast

On white

9.31

#3237A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3237A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237A9

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237A9	#FFFFFF	#000000	##FFFFFF
##3237A9	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAD

Deuteranopia (green-blind)

#0041A7

Tritanopia (blue-blind)

#00556B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3237a9;
/* rgb */ color: rgb(50, 55, 169);
/* oklch */ color: oklch(41.2% 0.178 273.5);

Tailwind

colors: {
  custom: {
    50: '#7b6ec4',
    500: '#3237a9',
    950: '#000000',
  },
}

SCSS

$custom: #3237a9;
$custom-light: #7b6ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#3237a9",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 169
  },
  "hsl": {
    "h": 237.479,
    "s": 54.338,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4122,
    "c": 0.17834,
    "h": 273.5
  },
  "luminance": 0.06275
}

Semantic roles & 50–950 ramp

primary

#3237A9

secondary

#C1BE76

accent

#D74ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3237A9

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

Preview Lab → · Contrast checker → · Palette generator →