#372D7B#372D7B

#372D7B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.7% C 0.127 H 283.7°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#372D7B
RGB	rgb(55, 45, 123)
HSL	hsl(248, 46%, 33%)
HSV	hsv(248, 63%, 48%)
CMYK	cmyk(55.3%, 63.4%, 0%, 51.8%)
CIE-LAB	lab(24.06, 27.38, -43.10)
CIE-LCH	lch(24.06, 51.06, 302.43°)
OKLab	oklab(35.68% 0.0301 -0.1236)
OKLCH	oklch(35.68% 0.127 283.7)
XYZ	xyz(6.0880, 4.1187, 19.2092)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D7B #717B2D

analogous

#2D4A7B #372D7B #5E2D7B

triadic

#372D7B #7B372D #2D7B37

tetradic

#372D7B #7B2D4A #717B2D #2D7B5E

square

#372D7B #7B2D4A #717B2D #2D7B5E

split-complementary

#372D7B #7B5E2D #4A7B2D

monochromatic

#0F0C21 #231D4E #372D7B #4B3DA8 #6B5EC4

Accessibility & contrast

On white

11.51

#372D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#372D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D7B

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D7B	#FFFFFF	#000000	##FFFFFF
##372D7B	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7E

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#1A404F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #372d7b;
/* rgb */ color: rgb(55, 45, 123);
/* oklch */ color: oklch(35.7% 0.127 283.7);

Tailwind

colors: {
  custom: {
    50: '#7566a2',
    500: '#372d7b',
    950: '#000000',
  },
}

SCSS

$custom: #372d7b;
$custom-light: #7566a2;
$custom-dark: #000000;

JSON

{
  "hex": "#372d7b",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 123
  },
  "hsl": {
    "h": 247.692,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35676,
    "c": 0.12721,
    "h": 283.7
  },
  "luminance": 0.04119
}

Semantic roles & 50–950 ramp

primary

#372D7B

secondary

#A0AB59

accent

#D652C5

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #372D7B

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

Preview Lab → · Contrast checker → · Palette generator →