#372E8B#372E8B

#372E8B is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.148 H 280.8°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#372E8B
RGB	rgb(55, 46, 139)
HSL	hsl(246, 50%, 36%)
HSV	hsv(246, 67%, 55%)
CMYK	cmyk(60.4%, 66.9%, 0%, 45.5%)
CIE-LAB	lab(25.65, 32.13, -50.55)
CIE-LCH	lch(25.65, 59.90, 302.44°)
OKLab	oklab(37.26% 0.0277 -0.1455)
OKLCH	oklch(37.26% 0.148 280.8)
XYZ	xyz(7.2113, 4.6298, 24.9347)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372E8B #828B2E

analogous

#2E548B #372E8B #662E8B

triadic

#372E8B #8B372E #2E8B37

tetradic

#372E8B #8B2E54 #828B2E #2E8B66

square

#372E8B #8B2E54 #828B2E #2E8B66

split-complementary

#372E8B #8B662E #548B2E

monochromatic

#13102F #251F5D #372E8B #493DB9 #7167CD

Accessibility & contrast

On white

10.90

#372E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#372E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372E8B

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372E8B	#FFFFFF	#000000	##FFFFFF
##372E8B	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408E

Deuteranopia (green-blind)

#003989

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #372e8b;
/* rgb */ color: rgb(55, 46, 139);
/* oklch */ color: oklch(37.3% 0.148 280.8);

Tailwind

colors: {
  custom: {
    50: '#7767ae',
    500: '#372e8b',
    950: '#000000',
  },
}

SCSS

$custom: #372e8b;
$custom-light: #7767ae;
$custom-dark: #000000;

JSON

{
  "hex": "#372e8b",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 139
  },
  "hsl": {
    "h": 245.806,
    "s": 50.27,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37259,
    "c": 0.14808,
    "h": 280.8
  },
  "luminance": 0.0463
}

Semantic roles & 50–950 ramp

primary

#372E8B

secondary

#ABB361

accent

#DA4ECC

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #372E8B

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

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