#372BAF#372BAF

#372BAF is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.3% C 0.198 H 276.9°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#372BAF
RGB	rgb(55, 43, 175)
HSL	hsl(245, 61%, 43%)
HSV	hsv(245, 75%, 69%)
CMYK	cmyk(68.6%, 75.4%, 0%, 31.4%)
CIE-LAB	lab(28.47, 45.73, -67.87)
CIE-LCH	lch(28.47, 81.84, 303.97°)
OKLab	oklab(40.32% 0.0236 -0.1961)
OKLCH	oklch(40.32% 0.198 276.9)
XYZ	xyz(10.1748, 5.6342, 41.1004)
Luminance	0.0563 (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

#372BAF #A3AF2B

analogous

#2B61AF #372BAF #792BAF

triadic

#372BAF #AF372B #2BAF37

tetradic

#372BAF #AF2B61 #A3AF2B #2BAF79

square

#372BAF #AF2B61 #A3AF2B #2BAF79

split-complementary

#372BAF #AF792B #61AF2B

monochromatic

#18134D #281F7E #372BAF #5246D1 #8077DE

Accessibility & contrast

On white

9.87

#372BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#372BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BAF

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BAF	#FFFFFF	#000000	##FFFFFF
##372BAF	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B3

Deuteranopia (green-blind)

#003DAD

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372baf;
/* rgb */ color: rgb(55, 43, 175);
/* oklch */ color: oklch(40.3% 0.198 276.9);

Tailwind

colors: {
  custom: {
    50: '#7f67c8',
    500: '#372baf',
    950: '#000000',
  },
}

SCSS

$custom: #372baf;
$custom-light: #7f67c8;
$custom-dark: #000000;

JSON

{
  "hex": "#372baf",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 175
  },
  "hsl": {
    "h": 245.455,
    "s": 60.55,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40323,
    "c": 0.19753,
    "h": 276.9
  },
  "luminance": 0.05635
}

Semantic roles & 50–950 ramp

primary

#372BAF

secondary

#BEC570

accent

#E444D5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372BAF

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

Preview Lab → · Contrast checker → · Palette generator →