#372A9C#372A9C

#372A9C is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.2% C 0.175 H 279.3°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#372A9C
RGB	rgb(55, 42, 156)
HSL	hsl(247, 58%, 39%)
HSV	hsv(247, 73%, 61%)
CMYK	cmyk(64.7%, 73.1%, 0%, 38.8%)
CIE-LAB	lab(26.35, 40.17, -59.87)
CIE-LCH	lch(26.35, 72.10, 303.86°)
OKLab	oklab(38.25% 0.0283 -0.1728)
OKLCH	oklch(38.25% 0.175 279.3)
XYZ	xyz(8.4023, 4.8678, 31.9428)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372A9C #8F9C2A

analogous

#2A569C #372A9C #702A9C

triadic

#372A9C #9C372A #2A9C37

tetradic

#372A9C #9C2A56 #8F9C2A #2A9C70

square

#372A9C #9C2A56 #8F9C2A #2A9C70

split-complementary

#372A9C #9C702A #569C2A

monochromatic

#15103C #261D6C #372A9C #4A39CA #766AD7

Accessibility & contrast

On white

10.64

#372A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#372A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372A9C

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372A9C	#FFFFFF	#000000	##FFFFFF
##372A9C	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439F

Deuteranopia (green-blind)

#003A9A

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #372a9c;
/* rgb */ color: rgb(55, 42, 156);
/* oklch */ color: oklch(38.2% 0.175 279.3);

Tailwind

colors: {
  custom: {
    50: '#7b65ba',
    500: '#372a9c',
    950: '#000000',
  },
}

SCSS

$custom: #372a9c;
$custom-light: #7b65ba;
$custom-dark: #000000;

JSON

{
  "hex": "#372a9c",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 156
  },
  "hsl": {
    "h": 246.842,
    "s": 57.576,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38248,
    "c": 0.17506,
    "h": 279.3
  },
  "luminance": 0.04868
}

Semantic roles & 50–950 ramp

primary

#372A9C

secondary

#B3BD65

accent

#E147CF

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372A9C

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

Preview Lab → · Contrast checker → · Palette generator →