#372E9F#372E9F

#372E9F is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.174 H 278.2°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#372E9F
RGB	rgb(55, 46, 159)
HSL	hsl(245, 55%, 40%)
HSV	hsv(245, 71%, 62%)
CMYK	cmyk(65.4%, 71.1%, 0%, 37.6%)
CIE-LAB	lab(27.49, 38.82, -59.83)
CIE-LCH	lch(27.49, 71.33, 302.98°)
OKLab	oklab(39.15% 0.0248 -0.1727)
OKLCH	oklch(39.15% 0.174 278.2)
XYZ	xyz(8.8085, 5.2687, 33.3469)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372E9F #969F2E

analogous

#2E5D9F #372E9F #702E9F

triadic

#372E9F #9F372E #2E9F37

tetradic

#372E9F #9F2E5D #969F2E #2E9F70

square

#372E9F #9F2E5D #969F2E #2E9F70

split-complementary

#372E9F #9F702E #5D9F2E

monochromatic

#161340 #272070 #372E9F #4D42C8 #7971D6

Accessibility & contrast

On white

10.22

#372E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#372E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372E9F

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372E9F	#FFFFFF	#000000	##FFFFFF
##372E9F	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#003C9D

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #372e9f;
/* rgb */ color: rgb(55, 46, 159);
/* oklch */ color: oklch(39.1% 0.174 278.2);

Tailwind

colors: {
  custom: {
    50: '#7b68bc',
    500: '#372e9f',
    950: '#000000',
  },
}

SCSS

$custom: #372e9f;
$custom-light: #7b68bc;
$custom-dark: #000000;

JSON

{
  "hex": "#372e9f",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 159
  },
  "hsl": {
    "h": 244.779,
    "s": 55.122,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39145,
    "c": 0.17446,
    "h": 278.2
  },
  "luminance": 0.05269
}

Semantic roles & 50–950 ramp

primary

#372E9F

secondary

#B7BE6B

accent

#DE49D3

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372E9F

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

Preview Lab → · Contrast checker → · Palette generator →