#372F8D#372F8D

#372F8D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.150 H 280.2°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#372F8D
RGB	rgb(55, 47, 141)
HSL	hsl(245, 50%, 37%)
HSV	hsv(245, 67%, 55%)
CMYK	cmyk(61%, 66.7%, 0%, 44.7%)
CIE-LAB	lab(26.06, 32.18, -51.12)
CIE-LCH	lch(26.06, 60.40, 302.19°)
OKLab	oklab(37.61% 0.0266 -0.1471)
OKLCH	oklch(37.61% 0.15 280.2)
XYZ	xyz(7.3983, 4.7678, 25.7246)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372F8D #858D2F

analogous

#2F568D #372F8D #662F8D

triadic

#372F8D #8D372F #2F8D37

tetradic

#372F8D #8D2F56 #858D2F #2F8D66

square

#372F8D #8D2F56 #858D2F #2F8D66

split-complementary

#372F8D #8D662F #568D2F

monochromatic

#131031 #25205F #372F8D #493EBB #7269CD

Accessibility & contrast

On white

10.75

#372F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#372F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372F8D

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372F8D	#FFFFFF	#000000	##FFFFFF
##372F8D	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004190

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #372f8d;
/* rgb */ color: rgb(55, 47, 141);
/* oklch */ color: oklch(37.6% 0.150 280.2);

Tailwind

colors: {
  custom: {
    50: '#7868af',
    500: '#372f8d',
    950: '#000000',
  },
}

SCSS

$custom: #372f8d;
$custom-light: #7868af;
$custom-dark: #000000;

JSON

{
  "hex": "#372f8d",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 141
  },
  "hsl": {
    "h": 245.106,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37611,
    "c": 0.14952,
    "h": 280.2
  },
  "luminance": 0.04768
}

Semantic roles & 50–950 ramp

primary

#372F8D

secondary

#ADB464

accent

#DA4ECE

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #372F8D

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

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