#37288C#37288C

#37288C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.4% C 0.157 H 282.1°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#37288C
RGB	rgb(55, 40, 140)
HSL	hsl(249, 56%, 35%)
HSV	hsv(249, 71%, 55%)
CMYK	cmyk(60.7%, 71.4%, 0%, 45.1%)
CIE-LAB	lab(24.39, 36.13, -53.23)
CIE-LCH	lch(24.39, 64.33, 304.17°)
OKLab	oklab(36.38% 0.0329 -0.1533)
OKLCH	oklch(36.38% 0.157 282.1)
XYZ	xyz(7.0665, 4.2228, 25.2486)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37288C #7D8C28

analogous

#284B8C #37288C #69288C

triadic

#37288C #8C3728 #288C37

tetradic

#37288C #8C284B #7D8C28 #288C69

square

#37288C #8C284B #7D8C28 #288C69

split-complementary

#37288C #8C6928 #4B8C28

monochromatic

#120D2D #241A5C #37288C #4A36BC #6F5ED1

Accessibility & contrast

On white

11.38

#37288C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#37288C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37288C

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37288C	#FFFFFF	#000000	##FFFFFF
##37288C	1.00	11.38	1.84	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8F

Deuteranopia (green-blind)

#00368A

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #37288c;
/* rgb */ color: rgb(55, 40, 140);
/* oklch */ color: oklch(36.4% 0.157 282.1);

Tailwind

colors: {
  custom: {
    50: '#7863af',
    500: '#37288c',
    950: '#000000',
  },
}

SCSS

$custom: #37288c;
$custom-light: #7863af;
$custom-dark: #000000;

JSON

{
  "hex": "#37288c",
  "rgb": {
    "r": 55,
    "g": 40,
    "b": 140
  },
  "hsl": {
    "h": 249,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36381,
    "c": 0.15681,
    "h": 282.1
  },
  "luminance": 0.04223
}

Semantic roles & 50–950 ramp

primary

#37288C

secondary

#A8B65A

accent

#DF49C8

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0510

muted

#7C7A7F

Preview Lab

Preview with #37288C

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

Preview Lab → · Contrast checker → · Palette generator →