#372F8A#372F8A

#372F8A is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.3% C 0.145 H 280.7°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#372F8A
RGB	rgb(55, 47, 138)
HSL	hsl(245, 49%, 36%)
HSV	hsv(245, 66%, 54%)
CMYK	cmyk(60.1%, 65.9%, 0%, 45.9%)
CIE-LAB	lab(25.80, 31.16, -49.68)
CIE-LCH	lch(25.80, 58.65, 302.10°)
OKLab	oklab(37.34% 0.0269 -0.1429)
OKLCH	oklch(37.34% 0.145 280.7)
XYZ	xyz(7.1781, 4.6797, 24.5649)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372F8A #828A2F

analogous

#2F558A #372F8A #652F8A

triadic

#372F8A #8A372F #2F8A37

tetradic

#372F8A #8A2F55 #828A2F #2F8A65

square

#372F8A #8A2F55 #828A2F #2F8A65

split-complementary

#372F8A #8A652F #558A2F

monochromatic

#13102F #251F5C #372F8A #493FB8 #7168CC

Accessibility & contrast

On white

10.85

#372F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#372F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372F8A

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372F8A	#FFFFFF	#000000	##FFFFFF
##372F8A	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408D

Deuteranopia (green-blind)

#003A88

Tritanopia (blue-blind)

#014658

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #372f8a;
/* rgb */ color: rgb(55, 47, 138);
/* oklch */ color: oklch(37.3% 0.145 280.7);

Tailwind

colors: {
  custom: {
    50: '#7768ad',
    500: '#372f8a',
    950: '#000000',
  },
}

SCSS

$custom: #372f8a;
$custom-light: #7768ad;
$custom-dark: #000000;

JSON

{
  "hex": "#372f8a",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 138
  },
  "hsl": {
    "h": 245.275,
    "s": 49.189,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37341,
    "c": 0.14543,
    "h": 280.7
  },
  "luminance": 0.0468
}

Semantic roles & 50–950 ramp

primary

#372F8A

secondary

#ABB362

accent

#D94FCD

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #372F8A

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

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