#3237B5#3237B5

#3237B5 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.4% C 0.194 H 272.8°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#3237B5
RGB	rgb(50, 55, 181)
HSL	hsl(238, 57%, 45%)
HSV	hsv(238, 72%, 71%)
CMYK	cmyk(72.4%, 69.6%, 0%, 29%)
CIE-LAB	lab(31.22, 40.27, -66.93)
CIE-LCH	lch(31.22, 78.11, 301.03°)
OKLab	oklab(42.38% 0.0095 -0.1935)
OKLCH	oklch(42.38% 0.194 272.8)
XYZ	xyz(11.0193, 6.7456, 44.4284)
Luminance	0.0675 (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

#3237B5 #B5B032

analogous

#3278B5 #3237B5 #6E32B5

triadic

#3237B5 #B53237 #37B532

tetradic

#3237B5 #B53278 #B5B032 #32B56E

square

#3237B5 #B53278 #B5B032 #32B56E

split-complementary

#3237B5 #B56E32 #78B532

monochromatic

#181A55 #252885 #3237B5 #5459D0 #8488DD

Accessibility & contrast

On white

8.94

#3237B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3237B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237B5

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237B5	#FFFFFF	#000000	##FFFFFF
##3237B5	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B9

Deuteranopia (green-blind)

#0043B3

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3237b5;
/* rgb */ color: rgb(50, 55, 181);
/* oklch */ color: oklch(42.4% 0.194 272.8);

Tailwind

colors: {
  custom: {
    50: '#7d6ecc',
    500: '#3237b5',
    950: '#000000',
  },
}

SCSS

$custom: #3237b5;
$custom-light: #7d6ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3237b5",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 181
  },
  "hsl": {
    "h": 237.71,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42378,
    "c": 0.19378,
    "h": 272.8
  },
  "luminance": 0.06747
}

Semantic roles & 50–950 ramp

primary

#3237B5

secondary

#C7C47C

accent

#DA48E0

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3237B5

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

Preview Lab → · Contrast checker → · Palette generator →