#372DBB#372DBB

#372DBB is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.8% C 0.210 H 275.4°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#372DBB
RGB	rgb(55, 45, 187)
HSL	hsl(244, 61%, 45%)
HSV	hsv(244, 76%, 73%)
CMYK	cmyk(70.6%, 75.9%, 0%, 26.7%)
CIE-LAB	lab(30.10, 48.46, -72.32)
CIE-LCH	lch(30.10, 87.06, 303.83°)
OKLab	oklab(41.84% 0.0199 -0.2091)
OKLCH	oklch(41.84% 0.21 275.4)
XYZ	xyz(11.4806, 6.2758, 47.6104)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372DBB #B1BB2D

analogous

#2D6ABB #372DBB #7E2DBB

triadic

#372DBB #BB372D #2DBB37

tetradic

#372DBB #BB2D6A #B1BB2D #2DBB7E

square

#372DBB #BB2D6A #B1BB2D #2DBB7E

split-complementary

#372DBB #BB7E2D #6ABB2D

monochromatic

#1A1558 #28218A #372DBB #5A50D5 #8882E1

Accessibility & contrast

On white

9.31

#372DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#372DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DBB

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DBB	#FFFFFF	#000000	##FFFFFF
##372DBB	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBF

Deuteranopia (green-blind)

#0040B8

Tritanopia (blue-blind)

#005772

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #372dbb;
/* rgb */ color: rgb(55, 45, 187);
/* oklch */ color: oklch(41.8% 0.210 275.4);

Tailwind

colors: {
  custom: {
    50: '#8269d1',
    500: '#372dbb',
    950: '#000000',
  },
}

SCSS

$custom: #372dbb;
$custom-light: #8269d1;
$custom-dark: #000000;

JSON

{
  "hex": "#372dbb",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 187
  },
  "hsl": {
    "h": 244.225,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.41842,
    "c": 0.21006,
    "h": 275.4
  },
  "luminance": 0.06277
}

Semantic roles & 50–950 ramp

primary

#372DBB

secondary

#C4CA7A

accent

#E443D9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #372DBB

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

Preview Lab → · Contrast checker → · Palette generator →