#372E9A#372E9A

#372E9A is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.7% C 0.168 H 278.8°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#372E9A
RGB	rgb(55, 46, 154)
HSL	hsl(245, 54%, 39%)
HSV	hsv(245, 70%, 60%)
CMYK	cmyk(64.3%, 70.1%, 0%, 39.6%)
CIE-LAB	lab(27.01, 37.16, -57.56)
CIE-LCH	lch(27.01, 68.52, 302.85°)
OKLab	oklab(38.66% 0.0257 -0.166)
OKLCH	oklch(38.66% 0.168 278.8)
XYZ	xyz(8.3834, 5.0986, 31.1079)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372E9A #919A2E

analogous

#2E5B9A #372E9A #6D2E9A

triadic

#372E9A #9A372E #2E9A37

tetradic

#372E9A #9A2E5B #919A2E #2E9A6D

square

#372E9A #9A2E5B #919A2E #2E9A6D

split-complementary

#372E9A #9A6D2E #5B9A2E

monochromatic

#15123C #26206B #372E9A #4B3FC6 #776FD4

Accessibility & contrast

On white

10.40

#372E9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#372E9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372E9A

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372E9A	#FFFFFF	#000000	##FFFFFF
##372E9A	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449D

Deuteranopia (green-blind)

#003B98

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #372e9a;
/* rgb */ color: rgb(55, 46, 154);
/* oklch */ color: oklch(38.7% 0.168 278.8);

Tailwind

colors: {
  custom: {
    50: '#7a68b9',
    500: '#372e9a',
    950: '#000000',
  },
}

SCSS

$custom: #372e9a;
$custom-light: #7a68b9;
$custom-dark: #000000;

JSON

{
  "hex": "#372e9a",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 154
  },
  "hsl": {
    "h": 245,
    "s": 54,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38661,
    "c": 0.168,
    "h": 278.8
  },
  "luminance": 0.05099
}

Semantic roles & 50–950 ramp

primary

#372E9A

secondary

#B4BB69

accent

#DD4AD1

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #372E9A

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

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