#373BC3#373BC3

#373BC3 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.7% C 0.206 H 273.1°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#373BC3
RGB	rgb(55, 59, 195)
HSL	hsl(238, 56%, 49%)
HSV	hsv(238, 72%, 76%)
CMYK	cmyk(71.8%, 69.7%, 0%, 23.5%)
CIE-LAB	lab(33.73, 43.17, -71.05)
CIE-LCH	lch(33.73, 83.14, 301.29°)
OKLab	oklab(44.67% 0.011 -0.2055)
OKLCH	oklch(44.67% 0.206 273.1)
XYZ	xyz(12.9865, 7.8790, 52.4556)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.89

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373BC3 #C3BF37

analogous

#3781C3 #373BC3 #7937C3

triadic

#373BC3 #C3373B #3BC337

tetradic

#373BC3 #C33781 #C3BF37 #37C379

square

#373BC3 #C33781 #C3BF37 #37C379

split-complementary

#373BC3 #C37937 #81C337

monochromatic

#1C1E64 #2A2D93 #373BC3 #6467D3 #9496E1

Accessibility & contrast

On white

8.15

#373BC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#373BC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373BC3

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373BC3	#FFFFFF	#000000	##FFFFFF
##373BC3	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C7

Deuteranopia (green-blind)

#0049C0

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #373bc3;
/* rgb */ color: rgb(55, 59, 195);
/* oklch */ color: oklch(44.7% 0.206 273.1);

Tailwind

colors: {
  custom: {
    50: '#8272d6',
    500: '#373bc3',
    950: '#000000',
  },
}

SCSS

$custom: #373bc3;
$custom-light: #8272d6;
$custom-dark: #000000;

JSON

{
  "hex": "#373bc3",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 195
  },
  "hsl": {
    "h": 238.286,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44669,
    "c": 0.20576,
    "h": 273.1
  },
  "luminance": 0.0788
}

Semantic roles & 50–950 ramp

primary

#373BC3

secondary

#CCCA8A

accent

#DB49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373BC3

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

Preview Lab → · Contrast checker → · Palette generator →