#373DC1#373DC1

#373DC1 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 44.8% C 0.201 H 272.9°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#373DC1
RGB	rgb(55, 61, 193)
HSL	hsl(237, 56%, 49%)
HSV	hsv(237, 72%, 76%)
CMYK	cmyk(71.5%, 68.4%, 0%, 24.3%)
CIE-LAB	lab(33.98, 41.30, -69.46)
CIE-LCH	lch(33.98, 80.81, 300.73°)
OKLab	oklab(44.79% 0.0101 -0.2008)
OKLCH	oklch(44.79% 0.201 272.9)
XYZ	xyz(12.8667, 7.9987, 51.3075)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373DC1 #C1BB37

analogous

#3782C1 #373DC1 #7637C1

triadic

#373DC1 #C1373D #3DC137

tetradic

#373DC1 #C13782 #C1BB37 #37C176

square

#373DC1 #C13782 #C1BB37 #37C176

split-complementary

#373DC1 #C17637 #82C137

monochromatic

#1C1F62 #292E91 #373DC1 #6368D2 #9296E0

Accessibility & contrast

On white

8.08

#373DC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#373DC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373DC1

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373DC1	#FFFFFF	#000000	##FFFFFF
##373DC1	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C5

Deuteranopia (green-blind)

#0049BF

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #373dc1;
/* rgb */ color: rgb(55, 61, 193);
/* oklch */ color: oklch(44.8% 0.201 272.9);

Tailwind

colors: {
  custom: {
    50: '#8173d5',
    500: '#373dc1',
    950: '#000000',
  },
}

SCSS

$custom: #373dc1;
$custom-light: #8173d5;
$custom-dark: #000000;

JSON

{
  "hex": "#373dc1",
  "rgb": {
    "r": 55,
    "g": 61,
    "b": 193
  },
  "hsl": {
    "h": 237.391,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44792,
    "c": 0.20108,
    "h": 272.9
  },
  "luminance": 0.08
}

Semantic roles & 50–950 ramp

primary

#373DC1

secondary

#CBC889

accent

#D849DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373DC1

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

Preview Lab → · Contrast checker → · Palette generator →