#373B98#373B98

#373B98 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.149 H 275.7°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#373B98
RGB	rgb(55, 59, 152)
HSL	hsl(238, 47%, 41%)
HSV	hsv(238, 64%, 60%)
CMYK	cmyk(63.8%, 61.2%, 0%, 40.4%)
CIE-LAB	lab(29.93, 28.28, -51.58)
CIE-LCH	lch(29.93, 58.82, 298.73°)
OKLab	oklab(40.73% 0.0148 -0.1484)
OKLCH	oklch(40.73% 0.149 275.7)
XYZ	xyz(8.8052, 6.2064, 30.4336)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373B98 #989437

analogous

#376B98 #373B98 #633798

triadic

#373B98 #98373B #3B9837

tetradic

#373B98 #98376B #989437 #379863

square

#373B98 #98376B #989437 #379863

split-complementary

#373B98 #986337 #6B9837

monochromatic

#16183E #272A6B #373B98 #4D52BF #7A7ECF

Accessibility & contrast

On white

9.37

#373B98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#373B98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373B98

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373B98	#FFFFFF	#000000	##FFFFFF
##373B98	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9B

Deuteranopia (green-blind)

#004296

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #373b98;
/* rgb */ color: rgb(55, 59, 152);
/* oklch */ color: oklch(40.7% 0.149 275.7);

Tailwind

colors: {
  custom: {
    50: '#7971b7',
    500: '#373b98',
    950: '#000000',
  },
}

SCSS

$custom: #373b98;
$custom-light: #7971b7;
$custom-dark: #000000;

JSON

{
  "hex": "#373b98",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 152
  },
  "hsl": {
    "h": 237.526,
    "s": 46.86,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4073,
    "c": 0.14916,
    "h": 275.7
  },
  "luminance": 0.06207
}

Semantic roles & 50–950 ramp

primary

#373B98

secondary

#B8B573

accent

#D151D6

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #373B98

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

Preview Lab → · Contrast checker → · Palette generator →