#372B91#372B91

#372B91 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.160 H 280.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#372B91
RGB	rgb(55, 43, 145)
HSL	hsl(247, 54%, 37%)
HSV	hsv(247, 70%, 57%)
CMYK	cmyk(62.1%, 70.3%, 0%, 43.1%)
CIE-LAB	lab(25.51, 35.98, -54.49)
CIE-LCH	lch(25.51, 65.30, 303.44°)
OKLab	oklab(37.33% 0.0295 -0.157)
OKLCH	oklch(37.33% 0.16 280.6)
XYZ	xyz(7.5486, 4.5838, 27.2695)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B91 #85912B

analogous

#2B5291 #372B91 #6A2B91

triadic

#372B91 #91372B #2B9137

tetradic

#372B91 #912B52 #85912B #2B916A

square

#372B91 #912B52 #85912B #2B916A

split-complementary

#372B91 #916A2B #52912B

monochromatic

#130F33 #251D62 #372B91 #4939C0 #7265D1

Accessibility & contrast

On white

10.96

#372B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#372B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B91

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B91	#FFFFFF	#000000	##FFFFFF
##372B91	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004094

Deuteranopia (green-blind)

#00398F

Tritanopia (blue-blind)

#00465A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #372b91;
/* rgb */ color: rgb(55, 43, 145);
/* oklch */ color: oklch(37.3% 0.160 280.6);

Tailwind

colors: {
  custom: {
    50: '#7966b2',
    500: '#372b91',
    950: '#000000',
  },
}

SCSS

$custom: #372b91;
$custom-light: #7966b2;
$custom-dark: #000000;

JSON

{
  "hex": "#372b91",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 145
  },
  "hsl": {
    "h": 247.059,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37327,
    "c": 0.15978,
    "h": 280.6
  },
  "luminance": 0.04584
}

Semantic roles & 50–950 ramp

primary

#372B91

secondary

#ADB860

accent

#DE4ACC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372B91

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

Preview Lab → · Contrast checker → · Palette generator →