#372FBD#372FBD

#372FBD is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.3% C 0.211 H 275.0°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#372FBD
RGB	rgb(55, 47, 189)
HSL	hsl(243, 60%, 46%)
HSV	hsv(243, 75%, 74%)
CMYK	cmyk(70.9%, 75.1%, 0%, 25.9%)
CIE-LAB	lab(30.68, 48.03, -72.54)
CIE-LCH	lch(30.68, 87.00, 303.51°)
OKLab	oklab(42.32% 0.0185 -0.2097)
OKLCH	oklch(42.32% 0.211 275)
XYZ	xyz(11.7743, 6.5182, 48.7719)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.60

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372FBD #B5BD2F

analogous

#2F6EBD #372FBD #7E2FBD

triadic

#372FBD #BD372F #2FBD37

tetradic

#372FBD #BD2F6E #B5BD2F #2FBD7E

square

#372FBD #BD2F6E #B5BD2F #2FBD7E

split-complementary

#372FBD #BD7E2F #6EBD2F

monochromatic

#1A175B #29238C #372FBD #5C55D5 #8B86E1

Accessibility & contrast

On white

9.12

#372FBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#372FBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FBD

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FBD	#FFFFFF	#000000	##FFFFFF
##372FBD	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC1

Deuteranopia (green-blind)

#0042BA

Tritanopia (blue-blind)

#005874

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #372fbd;
/* rgb */ color: rgb(55, 47, 189);
/* oklch */ color: oklch(42.3% 0.211 275.0);

Tailwind

colors: {
  custom: {
    50: '#826ad2',
    500: '#372fbd',
    950: '#000000',
  },
}

SCSS

$custom: #372fbd;
$custom-light: #826ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#372fbd",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 189
  },
  "hsl": {
    "h": 243.38,
    "s": 60.169,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42318,
    "c": 0.21056,
    "h": 275
  },
  "luminance": 0.06519
}

Semantic roles & 50–950 ramp

primary

#372FBD

secondary

#C6CA7E

accent

#E344DA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #372FBD

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

Preview Lab → · Contrast checker → · Palette generator →