#372B9F#372B9F

#372B9F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.7% C 0.178 H 278.7°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#372B9F
RGB	rgb(55, 43, 159)
HSL	hsl(246, 57%, 40%)
HSV	hsv(246, 73%, 62%)
CMYK	cmyk(65.4%, 73%, 0%, 37.6%)
CIE-LAB	lab(26.86, 40.57, -60.87)
CIE-LCH	lch(26.86, 73.16, 303.69°)
OKLab	oklab(38.69% 0.027 -0.1757)
OKLCH	oklch(38.69% 0.178 278.7)
XYZ	xyz(8.6954, 5.0425, 33.3092)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B9F #939F2B

analogous

#2B599F #372B9F #712B9F

triadic

#372B9F #9F372B #2B9F37

tetradic

#372B9F #9F2B59 #939F2B #2B9F71

square

#372B9F #9F2B59 #939F2B #2B9F71

split-complementary

#372B9F #9F712B #599F2B

monochromatic

#16113F #261E6F #372B9F #4B3DCA #786DD7

Accessibility & contrast

On white

10.46

#372B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#372B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B9F

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B9F	#FFFFFF	#000000	##FFFFFF
##372B9F	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A2

Deuteranopia (green-blind)

#003B9D

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #372b9f;
/* rgb */ color: rgb(55, 43, 159);
/* oklch */ color: oklch(38.7% 0.178 278.7);

Tailwind

colors: {
  custom: {
    50: '#7c66bc',
    500: '#372b9f',
    950: '#000000',
  },
}

SCSS

$custom: #372b9f;
$custom-light: #7c66bc;
$custom-dark: #000000;

JSON

{
  "hex": "#372b9f",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 159
  },
  "hsl": {
    "h": 246.207,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38694,
    "c": 0.17776,
    "h": 278.7
  },
  "luminance": 0.05043
}

Semantic roles & 50–950 ramp

primary

#372B9F

secondary

#B5BE67

accent

#E147D1

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372B9F

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

Preview Lab → · Contrast checker → · Palette generator →