#373371#373371

#373371 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.0% C 0.104 H 282.8°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#373371
RGB	rgb(55, 51, 113)
HSL	hsl(244, 38%, 32%)
HSV	hsv(244, 55%, 44%)
CMYK	cmyk(51.3%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(24.86, 20.02, -35.44)
CIE-LCH	lch(24.86, 40.70, 299.46°)
OKLab	oklab(36.03% 0.0229 -0.101)
OKLCH	oklch(36.03% 0.104 282.8)
XYZ	xyz(5.7391, 4.3718, 16.1610)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373371 #6D7133

analogous

#334E71 #373371 #563371

triadic

#373371 #713733 #337137

tetradic

#373371 #71334E #6D7133 #337156

square

#373371 #71334E #6D7133 #337156

split-complementary

#373371 #715633 #4E7133

monochromatic

#0E0D1D #222047 #373371 #4C469B #6A65B9

Accessibility & contrast

On white

11.20

#373371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#373371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373371

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373371	#FFFFFF	#000000	##FFFFFF
##373371	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143D73

Deuteranopia (green-blind)

#0F3970

Tritanopia (blue-blind)

#22414D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #373371;
/* rgb */ color: rgb(55, 51, 113);
/* oklch */ color: oklch(36.0% 0.104 282.8);

Tailwind

colors: {
  custom: {
    50: '#726a9a',
    500: '#373371',
    950: '#000000',
  },
}

SCSS

$custom: #373371;
$custom-light: #726a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#373371",
  "rgb": {
    "r": 55,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 243.871,
    "s": 37.805,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36031,
    "c": 0.10359,
    "h": 282.8
  },
  "luminance": 0.04372
}

Semantic roles & 50–950 ramp

primary

#373371

secondary

#9DA25E

accent

#CE5AC6

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #373371

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

Preview Lab → · Contrast checker → · Palette generator →