#372B8E#372B8E

#372B8E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.0% C 0.156 H 281.1°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#372B8E
RGB	rgb(55, 43, 142)
HSL	hsl(247, 54%, 36%)
HSV	hsv(247, 70%, 56%)
CMYK	cmyk(61.3%, 69.7%, 0%, 44.3%)
CIE-LAB	lab(25.24, 34.99, -53.09)
CIE-LCH	lch(25.24, 63.58, 303.39°)
OKLab	oklab(37.04% 0.03 -0.1529)
OKLCH	oklch(37.04% 0.156 281.1)
XYZ	xyz(7.3204, 4.4925, 26.0673)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B8E #828E2B

analogous

#2B518E #372B8E #692B8E

triadic

#372B8E #8E372B #2B8E37

tetradic

#372B8E #8E2B51 #828E2B #2B8E69

square

#372B8E #8E2B51 #828E2B #2B8E69

split-complementary

#372B8E #8E692B #518E2B

monochromatic

#130F30 #251D5F #372B8E #4939BD #7163D0

Accessibility & contrast

On white

11.06

#372B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#372B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B8E

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B8E	#FFFFFF	#000000	##FFFFFF
##372B8E	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #372b8e;
/* rgb */ color: rgb(55, 43, 142);
/* oklch */ color: oklch(37.0% 0.156 281.1);

Tailwind

colors: {
  custom: {
    50: '#7865b0',
    500: '#372b8e',
    950: '#000000',
  },
}

SCSS

$custom: #372b8e;
$custom-light: #7865b0;
$custom-dark: #000000;

JSON

{
  "hex": "#372b8e",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 142
  },
  "hsl": {
    "h": 247.273,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37042,
    "c": 0.15583,
    "h": 281.1
  },
  "luminance": 0.04493
}

Semantic roles & 50–950 ramp

primary

#372B8E

secondary

#ABB65F

accent

#DD4BCB

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372B8E

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

Preview Lab → · Contrast checker → · Palette generator →