#372FAF#372FAF

#372FAF is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.9% C 0.194 H 276.3°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#372FAF
RGB	rgb(55, 47, 175)
HSL	hsl(244, 58%, 44%)
HSV	hsv(244, 73%, 69%)
CMYK	cmyk(68.6%, 73.1%, 0%, 31.4%)
CIE-LAB	lab(29.26, 43.51, -66.57)
CIE-LCH	lch(29.26, 79.52, 303.17°)
OKLab	oklab(40.88% 0.0213 -0.1923)
OKLCH	oklch(40.88% 0.194 276.3)
XYZ	xyz(10.3274, 5.9395, 41.1513)
Luminance	0.0594 (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

#372FAF #A7AF2F

analogous

#2F67AF #372FAF #772FAF

triadic

#372FAF #AF372F #2FAF37

tetradic

#372FAF #AF2F67 #A7AF2F #2FAF77

square

#372FAF #AF2F67 #A7AF2F #2FAF77

split-complementary

#372FAF #AF772F #67AF2F

monochromatic

#19154F #28227F #372FAF #544CCF #827CDC

Accessibility & contrast

On white

9.60

#372FAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#372FAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FAF

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FAF	#FFFFFF	#000000	##FFFFFF
##372FAF	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB3

Deuteranopia (green-blind)

#003FAD

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #372faf;
/* rgb */ color: rgb(55, 47, 175);
/* oklch */ color: oklch(40.9% 0.194 276.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#372faf",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 175
  },
  "hsl": {
    "h": 243.75,
    "s": 57.658,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40882,
    "c": 0.19352,
    "h": 276.3
  },
  "luminance": 0.0594
}

Semantic roles & 50–950 ramp

primary

#372FAF

secondary

#C0C475

accent

#E147D7

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372FAF

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

Preview Lab → · Contrast checker → · Palette generator →