#372BAE#372BAE

#372BAE is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.2% C 0.196 H 277.0°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#372BAE
RGB	rgb(55, 43, 174)
HSL	hsl(245, 60%, 43%)
HSV	hsv(245, 75%, 68%)
CMYK	cmyk(68.4%, 75.3%, 0%, 31.8%)
CIE-LAB	lab(28.37, 45.41, -67.44)
CIE-LCH	lch(28.37, 81.30, 303.95°)
OKLab	oklab(40.22% 0.0238 -0.1949)
OKLCH	oklch(40.22% 0.196 277)
XYZ	xyz(10.0769, 5.5951, 40.5851)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.31

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372BAE #A2AE2B

analogous

#2B61AE #372BAE #782BAE

triadic

#372BAE #AE372B #2BAE37

tetradic

#372BAE #AE2B61 #A2AE2B #2BAE78

square

#372BAE #AE2B61 #A2AE2B #2BAE78

split-complementary

#372BAE #AE782B #61AE2B

monochromatic

#18134C #271F7D #372BAE #5245D1 #8076DD

Accessibility & contrast

On white

9.91

#372BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#372BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BAE

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BAE	#FFFFFF	#000000	##FFFFFF
##372BAE	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)

#0048B2

Deuteranopia (green-blind)

#003DAC

Tritanopia (blue-blind)

#00516A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372bae;
/* rgb */ color: rgb(55, 43, 174);
/* oklch */ color: oklch(40.2% 0.196 277.0);

Tailwind

colors: {
  custom: {
    50: '#7f67c7',
    500: '#372bae',
    950: '#000000',
  },
}

SCSS

$custom: #372bae;
$custom-light: #7f67c7;
$custom-dark: #000000;

JSON

{
  "hex": "#372bae",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 174
  },
  "hsl": {
    "h": 245.496,
    "s": 60.369,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40219,
    "c": 0.19632,
    "h": 277
  },
  "luminance": 0.05596
}

Semantic roles & 50–950 ramp

primary

#372BAE

secondary

#BDC570

accent

#E444D5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372BAE

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

Preview Lab → · Contrast checker → · Palette generator →