#373F97#373F97

#373F97 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.4% C 0.142 H 274.4°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#373F97
RGB	rgb(55, 63, 151)
HSL	hsl(235, 47%, 40%)
HSV	hsv(235, 64%, 59%)
CMYK	cmyk(63.6%, 58.3%, 0%, 40.8%)
CIE-LAB	lab(30.88, 25.29, -49.42)
CIE-LCH	lch(30.88, 55.52, 297.10°)
OKLab	oklab(41.41% 0.011 -0.142)
OKLCH	oklch(41.41% 0.142 274.4)
XYZ	xyz(8.9371, 6.6009, 30.0753)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373F97 #978F37

analogous

#376F97 #373F97 #5F3797

triadic

#373F97 #97373F #3F9737

tetradic

#373F97 #97376F #978F37 #37975F

square

#373F97 #97376F #978F37 #37975F

split-complementary

#373F97 #975F37 #6F9737

monochromatic

#161A3D #272C6A #373F97 #4D56BE #7A81CF

Accessibility & contrast

On white

9.05

#373F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#373F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373F97

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373F97	#FFFFFF	#000000	##FFFFFF
##373F97	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9A

Deuteranopia (green-blind)

#004595

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #373f97;
/* rgb */ color: rgb(55, 63, 151);
/* oklch */ color: oklch(41.4% 0.142 274.4);

Tailwind

colors: {
  custom: {
    50: '#7874b6',
    500: '#373f97',
    950: '#000000',
  },
}

SCSS

$custom: #373f97;
$custom-light: #7874b6;
$custom-dark: #000000;

JSON

{
  "hex": "#373f97",
  "rgb": {
    "r": 55,
    "g": 63,
    "b": 151
  },
  "hsl": {
    "h": 235,
    "s": 46.602,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41412,
    "c": 0.14247,
    "h": 274.4
  },
  "luminance": 0.06602
}

Semantic roles & 50–950 ramp

primary

#373F97

secondary

#B8B272

accent

#CB52D6

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #373F97

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

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