#373FA2#373FA2

#373FA2 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.158 H 274.0°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#373FA2
RGB	rgb(55, 63, 162)
HSL	hsl(236, 49%, 43%)
HSV	hsv(236, 66%, 64%)
CMYK	cmyk(66%, 61.1%, 0%, 36.5%)
CIE-LAB	lab(31.75, 29.22, -54.68)
CIE-LCH	lch(31.75, 61.99, 298.12°)
OKLab	oklab(42.33% 0.0109 -0.1575)
OKLCH	oklch(42.33% 0.158 274)
XYZ	xyz(9.8725, 6.9750, 35.0015)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373FA2 #A29A37

analogous

#3775A2 #373FA2 #6437A2

triadic

#373FA2 #A2373F #3FA237

tetradic

#373FA2 #A23775 #A29A37 #37A264

square

#373FA2 #A23775 #A29A37 #37A264

split-complementary

#373FA2 #A26437 #75A237

monochromatic

#181B47 #272D74 #373FA2 #525AC4 #8086D4

Accessibility & contrast

On white

8.77

#373FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#373FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373FA2

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373FA2	#FFFFFF	#000000	##FFFFFF
##373FA2	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A5

Deuteranopia (green-blind)

#0046A0

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #373fa2;
/* rgb */ color: rgb(55, 63, 162);
/* oklch */ color: oklch(42.3% 0.158 274.0);

Tailwind

colors: {
  custom: {
    50: '#7b74be',
    500: '#373fa2',
    950: '#000000',
  },
}

SCSS

$custom: #373fa2;
$custom-light: #7b74be;
$custom-dark: #000000;

JSON

{
  "hex": "#373fa2",
  "rgb": {
    "r": 55,
    "g": 63,
    "b": 162
  },
  "hsl": {
    "h": 235.514,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4233,
    "c": 0.15788,
    "h": 274
  },
  "luminance": 0.06976
}

Semantic roles & 50–950 ramp

primary

#373FA2

secondary

#BDB878

accent

#CF4FD9

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #373FA2

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

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