#372CAC#372CAC

#372CAC is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.2% C 0.193 H 277.0°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#372CAC
RGB	rgb(55, 44, 172)
HSL	hsl(245, 59%, 42%)
HSV	hsv(245, 74%, 67%)
CMYK	cmyk(68%, 74.4%, 0%, 32.5%)
CIE-LAB	lab(28.36, 44.22, -66.26)
CIE-LCH	lch(28.36, 79.66, 303.72°)
OKLab	oklab(40.15% 0.0237 -0.1914)
OKLCH	oklch(40.15% 0.193 277)
XYZ	xyz(9.9202, 5.5913, 39.5782)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.35

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372CAC #A1AC2C

analogous

#2C61AC #372CAC #772CAC

triadic

#372CAC #AC372C #2CAC37

tetradic

#372CAC #AC2C61 #A1AC2C #2CAC77

square

#372CAC #AC2C61 #A1AC2C #2CAC77

split-complementary

#372CAC #AC772C #61AC2C

monochromatic

#18134B #27207B #372CAC #5146D0 #7F76DC

Accessibility & contrast

On white

9.91

#372CAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#372CAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CAC

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CAC	#FFFFFF	#000000	##FFFFFF
##372CAC	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B0

Deuteranopia (green-blind)

#003DAA

Tritanopia (blue-blind)

#00516A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372cac;
/* rgb */ color: rgb(55, 44, 172);
/* oklch */ color: oklch(40.2% 0.193 277.0);

Tailwind

colors: {
  custom: {
    50: '#7e67c6',
    500: '#372cac',
    950: '#000000',
  },
}

SCSS

$custom: #372cac;
$custom-light: #7e67c6;
$custom-dark: #000000;

JSON

{
  "hex": "#372cac",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 172
  },
  "hsl": {
    "h": 245.156,
    "s": 59.259,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40151,
    "c": 0.19289,
    "h": 277
  },
  "luminance": 0.05592
}

Semantic roles & 50–950 ramp

primary

#372CAC

secondary

#BDC470

accent

#E245D5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372CAC

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

Preview Lab → · Contrast checker → · Palette generator →