#373E84#373E84

#373E84 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.7% C 0.116 H 275.5°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#373E84
RGB	rgb(55, 62, 132)
HSL	hsl(235, 41%, 37%)
HSV	hsv(235, 58%, 52%)
CMYK	cmyk(58.3%, 53%, 0%, 48.2%)
CIE-LAB	lab(29.22, 19.19, -40.41)
CIE-LCH	lch(29.22, 44.74, 295.40°)
OKLab	oklab(39.72% 0.0111 -0.1155)
OKLCH	oklch(39.72% 0.116 275.5)
XYZ	xyz(7.4617, 5.9229, 22.5754)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373E84 #847D37

analogous

#376584 #373E84 #573784

triadic

#373E84 #84373E #3E8437

tetradic

#373E84 #843765 #847D37 #378457

square

#373E84 #843765 #847D37 #378457

split-complementary

#373E84 #845737 #658437

monochromatic

#13152E #252A59 #373E84 #4952AF #7179C4

Accessibility & contrast

On white

9.61

#373E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#373E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373E84

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373E84	#FFFFFF	#000000	##FFFFFF
##373E84	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184886

Deuteranopia (green-blind)

#0A4283

Tritanopia (blue-blind)

#0A4E5B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #373e84;
/* rgb */ color: rgb(55, 62, 132);
/* oklch */ color: oklch(39.7% 0.116 275.5);

Tailwind

colors: {
  custom: {
    50: '#7573a8',
    500: '#373e84',
    950: '#000000',
  },
}

SCSS

$custom: #373e84;
$custom-light: #7573a8;
$custom-dark: #000000;

JSON

{
  "hex": "#373e84",
  "rgb": {
    "r": 55,
    "g": 62,
    "b": 132
  },
  "hsl": {
    "h": 234.545,
    "s": 41.176,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39724,
    "c": 0.11608,
    "h": 275.5
  },
  "luminance": 0.05923
}

Semantic roles & 50–950 ramp

primary

#373E84

secondary

#ADA76A

accent

#C657D1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #373E84

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

Preview Lab → · Contrast checker → · Palette generator →