#372F89#372F89

#372F89 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.3% C 0.144 H 280.8°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#372F89
RGB	rgb(55, 47, 137)
HSL	hsl(245, 49%, 36%)
HSV	hsv(245, 66%, 54%)
CMYK	cmyk(59.9%, 65.7%, 0%, 46.3%)
CIE-LAB	lab(25.72, 30.83, -49.20)
CIE-LCH	lch(25.72, 58.06, 302.07°)
OKLab	oklab(37.25% 0.027 -0.1415)
OKLCH	oklch(37.25% 0.144 280.8)
XYZ	xyz(7.1060, 4.6509, 24.1853)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372F89 #81892F

analogous

#2F5489 #372F89 #642F89

triadic

#372F89 #89372F #2F8937

tetradic

#372F89 #892F54 #81892F #2F8964

square

#372F89 #892F54 #81892F #2F8964

split-complementary

#372F89 #89642F #54892F

monochromatic

#12102E #251F5B #372F89 #493FB7 #7067CB

Accessibility & contrast

On white

10.88

#372F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#372F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372F89

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372F89	#FFFFFF	#000000	##FFFFFF
##372F89	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#034657

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #372f89;
/* rgb */ color: rgb(55, 47, 137);
/* oklch */ color: oklch(37.3% 0.144 280.8);

Tailwind

colors: {
  custom: {
    50: '#7768ac',
    500: '#372f89',
    950: '#000000',
  },
}

SCSS

$custom: #372f89;
$custom-light: #7768ac;
$custom-dark: #000000;

JSON

{
  "hex": "#372f89",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 137
  },
  "hsl": {
    "h": 245.333,
    "s": 48.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37251,
    "c": 0.14405,
    "h": 280.8
  },
  "luminance": 0.04651
}

Semantic roles & 50–950 ramp

primary

#372F89

secondary

#ABB262

accent

#D84FCC

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #372F89

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

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