#372AAC#372AAC

#372AAC is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.9% C 0.195 H 277.3°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#372AAC
RGB	rgb(55, 42, 172)
HSL	hsl(246, 61%, 42%)
HSV	hsv(246, 76%, 67%)
CMYK	cmyk(68%, 75.6%, 0%, 32.5%)
CIE-LAB	lab(27.97, 45.32, -66.90)
CIE-LCH	lch(27.97, 80.80, 304.11°)
OKLab	oklab(39.88% 0.0248 -0.1933)
OKLCH	oklch(39.88% 0.195 277.3)
XYZ	xyz(9.8475, 5.4458, 39.5539)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AAC #9FAC2A

analogous

#2A5EAC #372AAC #782AAC

triadic

#372AAC #AC372A #2AAC37

tetradic

#372AAC #AC2A5E #9FAC2A #2AAC78

square

#372AAC #AC2A5E #9FAC2A #2AAC78

split-complementary

#372AAC #AC782A #5EAC2A

monochromatic

#18124A #271E7B #372AAC #5142D1 #7E73DD

Accessibility & contrast

On white

10.05

#372AAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#372AAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AAC

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AAC	#FFFFFF	#000000	##FFFFFF
##372AAC	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B0

Deuteranopia (green-blind)

#003CAA

Tritanopia (blue-blind)

#005069

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #372aac;
/* rgb */ color: rgb(55, 42, 172);
/* oklch */ color: oklch(39.9% 0.195 277.3);

Tailwind

colors: {
  custom: {
    50: '#7f66c6',
    500: '#372aac',
    950: '#000000',
  },
}

SCSS

$custom: #372aac;
$custom-light: #7f66c6;
$custom-dark: #000000;

JSON

{
  "hex": "#372aac",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 172
  },
  "hsl": {
    "h": 246,
    "s": 60.748,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39877,
    "c": 0.19487,
    "h": 277.3
  },
  "luminance": 0.05447
}

Semantic roles & 50–950 ramp

primary

#372AAC

secondary

#BCC46D

accent

#E444D4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372AAC

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

Preview Lab → · Contrast checker → · Palette generator →