#372EB0#372EB0

#372EB0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.8% C 0.196 H 276.4°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#372EB0
RGB	rgb(55, 46, 176)
HSL	hsl(244, 59%, 44%)
HSV	hsv(244, 74%, 69%)
CMYK	cmyk(68.8%, 73.9%, 0%, 31%)
CIE-LAB	lab(29.16, 44.40, -67.33)
CIE-LCH	lch(29.16, 80.65, 303.40°)
OKLab	oklab(40.84% 0.0217 -0.1946)
OKLCH	oklch(40.84% 0.196 276.4)
XYZ	xyz(10.3865, 5.8999, 41.6573)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372EB0 #A7B02E

analogous

#2E66B0 #372EB0 #782EB0

triadic

#372EB0 #B0372E #2EB037

tetradic

#372EB0 #B02E66 #A7B02E #2EB078

square

#372EB0 #B02E66 #A7B02E #2EB078

split-complementary

#372EB0 #B0782E #66B02E

monochromatic

#19154F #28217F #372EB0 #544BD0 #827CDD

Accessibility & contrast

On white

9.63

#372EB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#372EB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EB0

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372EB0	#FFFFFF	#000000	##FFFFFF
##372EB0	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB4

Deuteranopia (green-blind)

#003FAE

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #372eb0;
/* rgb */ color: rgb(55, 46, 176);
/* oklch */ color: oklch(40.8% 0.196 276.4);

Tailwind

colors: {
  custom: {
    50: '#7f69c9',
    500: '#372eb0',
    950: '#000000',
  },
}

SCSS

$custom: #372eb0;
$custom-light: #7f69c9;
$custom-dark: #000000;

JSON

{
  "hex": "#372eb0",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 176
  },
  "hsl": {
    "h": 244.154,
    "s": 58.559,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40841,
    "c": 0.19578,
    "h": 276.4
  },
  "luminance": 0.05901
}

Semantic roles & 50–950 ramp

primary

#372EB0

secondary

#C0C575

accent

#E246D7

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372EB0

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

Preview Lab → · Contrast checker → · Palette generator →