#372DAE#372DAE

#372DAE is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.5% C 0.194 H 276.7°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#372DAE
RGB	rgb(55, 45, 174)
HSL	hsl(245, 59%, 43%)
HSV	hsv(245, 74%, 68%)
CMYK	cmyk(68.4%, 74.1%, 0%, 31.8%)
CIE-LAB	lab(28.76, 44.31, -66.80)
CIE-LCH	lch(28.76, 80.16, 303.56°)
OKLab	oklab(40.5% 0.0227 -0.193)
OKLCH	oklch(40.5% 0.194 276.7)
XYZ	xyz(10.1514, 5.7441, 40.6099)
Luminance	0.0575 (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

#372DAE #A4AE2D

analogous

#2D63AE #372DAE #772DAE

triadic

#372DAE #AE372D #2DAE37

tetradic

#372DAE #AE2D63 #A4AE2D #2DAE77

square

#372DAE #AE2D63 #A4AE2D #2DAE77

split-complementary

#372DAE #AE772D #63AE2D

monochromatic

#18144D #28207D #372DAE #5348D0 #8179DC

Accessibility & contrast

On white

9.77

#372DAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#372DAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DAE

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DAE	#FFFFFF	#000000	##FFFFFF
##372DAE	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B2

Deuteranopia (green-blind)

#003EAC

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372dae;
/* rgb */ color: rgb(55, 45, 174);
/* oklch */ color: oklch(40.5% 0.194 276.7);

Tailwind

colors: {
  custom: {
    50: '#7f68c7',
    500: '#372dae',
    950: '#000000',
  },
}

SCSS

$custom: #372dae;
$custom-light: #7f68c7;
$custom-dark: #000000;

JSON

{
  "hex": "#372dae",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 174
  },
  "hsl": {
    "h": 244.651,
    "s": 58.904,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40496,
    "c": 0.19434,
    "h": 276.7
  },
  "luminance": 0.05745
}

Semantic roles & 50–950 ramp

primary

#372DAE

secondary

#BEC472

accent

#E246D6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372DAE

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

Preview Lab → · Contrast checker → · Palette generator →