#372EAF#372EAF

#372EAF is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.7% C 0.195 H 276.5°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#372EAF
RGB	rgb(55, 46, 175)
HSL	hsl(244, 58%, 43%)
HSV	hsv(244, 74%, 69%)
CMYK	cmyk(68.6%, 73.7%, 0%, 31.4%)
CIE-LAB	lab(29.06, 44.07, -66.90)
CIE-LCH	lch(29.06, 80.11, 303.38°)
OKLab	oklab(40.74% 0.0219 -0.1933)
OKLCH	oklch(40.74% 0.195 276.5)
XYZ	xyz(10.2879, 5.8604, 41.1381)
Luminance	0.0586 (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

#372EAF #A6AF2E

analogous

#2E65AF #372EAF #772EAF

triadic

#372EAF #AF372E #2EAF37

tetradic

#372EAF #AF2E65 #A6AF2E #2EAF77

square

#372EAF #AF2E65 #A6AF2E #2EAF77

split-complementary

#372EAF #AF772E #65AF2E

monochromatic

#19154E #28217F #372EAF #544BD0 #827BDC

Accessibility & contrast

On white

9.67

#372EAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#372EAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EAF

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372EAF	#FFFFFF	#000000	##FFFFFF
##372EAF	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB3

Deuteranopia (green-blind)

#003FAD

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372eaf;
/* rgb */ color: rgb(55, 46, 175);
/* oklch */ color: oklch(40.7% 0.195 276.5);

Tailwind

colors: {
  custom: {
    50: '#7f69c8',
    500: '#372eaf',
    950: '#000000',
  },
}

SCSS

$custom: #372eaf;
$custom-light: #7f69c8;
$custom-dark: #000000;

JSON

{
  "hex": "#372eaf",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 175
  },
  "hsl": {
    "h": 244.186,
    "s": 58.371,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40739,
    "c": 0.19455,
    "h": 276.5
  },
  "luminance": 0.05861
}

Semantic roles & 50–950 ramp

primary

#372EAF

secondary

#BFC574

accent

#E246D7

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372EAF

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

Preview Lab → · Contrast checker → · Palette generator →