#373790#373790

#373790 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.143 H 277.5°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#373790
RGB	rgb(55, 55, 144)
HSL	hsl(240, 45%, 39%)
HSV	hsv(240, 62%, 56%)
CMYK	cmyk(61.8%, 61.8%, 0%, 43.5%)
CIE-LAB	lab(28.27, 28.08, -49.38)
CIE-LCH	lch(28.27, 56.80, 299.62°)
OKLab	oklab(39.3% 0.0188 -0.142)
OKLCH	oklch(39.3% 0.143 277.5)
XYZ	xyz(7.9742, 5.5576, 27.0327)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373790 #909037

analogous

#376490 #373790 #643790

triadic

#373790 #903737 #379037

tetradic

#373790 #903764 #909037 #379064

square

#373790 #903764 #909037 #379064

split-complementary

#373790 #906437 #649037

monochromatic

#151537 #262664 #373790 #4A4ABA #7777CB

Accessibility & contrast

On white

9.95

#373790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#373790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373790

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373790	#FFFFFF	#000000	##FFFFFF
##373790	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004693

Deuteranopia (green-blind)

#003F8E

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #373790;
/* rgb */ color: rgb(55, 55, 144);
/* oklch */ color: oklch(39.3% 0.143 277.5);

Tailwind

colors: {
  custom: {
    50: '#786eb1',
    500: '#373790',
    950: '#000000',
  },
}

SCSS

$custom: #373790;
$custom-light: #786eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#373790",
  "rgb": {
    "r": 55,
    "g": 55,
    "b": 144
  },
  "hsl": {
    "h": 240,
    "s": 44.724,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39303,
    "c": 0.14323,
    "h": 277.5
  },
  "luminance": 0.05558
}

Semantic roles & 50–950 ramp

primary

#373790

secondary

#B4B46F

accent

#D453D4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #373790

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

Preview Lab → · Contrast checker → · Palette generator →