#3237A8#3237A8

#3237A8 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.1% C 0.177 H 273.6°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#3237A8
RGB	rgb(50, 55, 168)
HSL	hsl(237, 54%, 43%)
HSV	hsv(237, 70%, 66%)
CMYK	cmyk(70.2%, 67.3%, 0%, 34.1%)
CIE-LAB	lab(30.00, 35.75, -61.16)
CIE-LCH	lch(30.00, 70.84, 300.31°)
OKLab	oklab(41.13% 0.011 -0.1767)
OKLCH	oklch(41.13% 0.177 273.6)
XYZ	xyz(9.7471, 6.2367, 37.7283)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3237A8 #A8A332

analogous

#3272A8 #3237A8 #6832A8

triadic

#3237A8 #A83237 #37A832

tetradic

#3237A8 #A83272 #A8A332 #32A868

square

#3237A8 #A83272 #A8A332 #32A868

split-complementary

#3237A8 #A86832 #72A832

monochromatic

#16184A #242879 #3237A8 #4D52CA #7C80D8

Accessibility & contrast

On white

9.34

#3237A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3237A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237A8

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237A8	#FFFFFF	#000000	##FFFFFF
##3237A8	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAC

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3237a8;
/* rgb */ color: rgb(50, 55, 168);
/* oklch */ color: oklch(41.1% 0.177 273.6);

Tailwind

colors: {
  custom: {
    50: '#7a6ec3',
    500: '#3237a8',
    950: '#000000',
  },
}

SCSS

$custom: #3237a8;
$custom-light: #7a6ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#3237a8",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 168
  },
  "hsl": {
    "h": 237.458,
    "s": 54.128,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41125,
    "c": 0.17703,
    "h": 273.6
  },
  "luminance": 0.06238
}

Semantic roles & 50–950 ramp

primary

#3237A8

secondary

#C1BE75

accent

#D74ADD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3237A8

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

Preview Lab → · Contrast checker → · Palette generator →