#372CAB#372CAB

#372CAB is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.192 H 277.2°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#372CAB
RGB	rgb(55, 44, 171)
HSL	hsl(245, 59%, 42%)
HSV	hsv(245, 74%, 67%)
CMYK	cmyk(67.8%, 74.3%, 0%, 32.9%)
CIE-LAB	lab(28.26, 43.90, -65.82)
CIE-LCH	lch(28.26, 79.12, 303.70°)
OKLab	oklab(40.05% 0.0239 -0.1902)
OKLCH	oklch(40.05% 0.192 277.2)
XYZ	xyz(9.8245, 5.5530, 39.0743)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372CAB #A0AB2C

analogous

#2C60AB #372CAB #772CAB

triadic

#372CAB #AB372C #2CAB37

tetradic

#372CAB #AB2C60 #A0AB2C #2CAB77

square

#372CAB #AB2C60 #A0AB2C #2CAB77

split-complementary

#372CAB #AB772C #60AB2C

monochromatic

#18134A #271F7A #372CAB #5145CF #7F76DC

Accessibility & contrast

On white

9.95

#372CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#372CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CAB

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CAB	#FFFFFF	#000000	##FFFFFF
##372CAB	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AF

Deuteranopia (green-blind)

#003DA9

Tritanopia (blue-blind)

#005069

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372cab;
/* rgb */ color: rgb(55, 44, 171);
/* oklch */ color: oklch(40.0% 0.192 277.2);

Tailwind

colors: {
  custom: {
    50: '#7e67c5',
    500: '#372cab',
    950: '#000000',
  },
}

SCSS

$custom: #372cab;
$custom-light: #7e67c5;
$custom-dark: #000000;

JSON

{
  "hex": "#372cab",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 171
  },
  "hsl": {
    "h": 245.197,
    "s": 59.07,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40049,
    "c": 0.19165,
    "h": 277.2
  },
  "luminance": 0.05554
}

Semantic roles & 50–950 ramp

primary

#372CAB

secondary

#BCC36F

accent

#E246D5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372CAB

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

Preview Lab → · Contrast checker → · Palette generator →