#372F87#372F87

#372F87 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.1% C 0.141 H 281.1°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#372F87
RGB	rgb(55, 47, 135)
HSL	hsl(245, 48%, 36%)
HSV	hsv(245, 65%, 53%)
CMYK	cmyk(59.3%, 65.2%, 0%, 47.1%)
CIE-LAB	lab(25.55, 30.15, -48.23)
CIE-LCH	lch(25.55, 56.88, 302.01°)
OKLab	oklab(37.07% 0.0272 -0.1387)
OKLCH	oklch(37.07% 0.141 281.1)
XYZ	xyz(6.9639, 4.5941, 23.4368)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372F87 #7F872F

analogous

#2F5387 #372F87 #632F87

triadic

#372F87 #87372F #2F8737

tetradic

#372F87 #872F53 #7F872F #2F8763

square

#372F87 #872F53 #7F872F #2F8763

split-complementary

#372F87 #87632F #53872F

monochromatic

#120F2C #251F5A #372F87 #493FB4 #7066CA

Accessibility & contrast

On white

10.94

#372F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#372F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372F87

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372F87	#FFFFFF	#000000	##FFFFFF
##372F87	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#084556

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #372f87;
/* rgb */ color: rgb(55, 47, 135);
/* oklch */ color: oklch(37.1% 0.141 281.1);

Tailwind

colors: {
  custom: {
    50: '#7768ab',
    500: '#372f87',
    950: '#000000',
  },
}

SCSS

$custom: #372f87;
$custom-light: #7768ab;
$custom-dark: #000000;

JSON

{
  "hex": "#372f87",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 135
  },
  "hsl": {
    "h": 245.455,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37074,
    "c": 0.14129,
    "h": 281.1
  },
  "luminance": 0.04595
}

Semantic roles & 50–950 ramp

primary

#372F87

secondary

#AAB161

accent

#D850CC

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #372F87

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

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