#4371E6#4371E6

#4371E6 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.0% C 0.185 H 265.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4371E6
RGB	rgb(67, 113, 230)
HSL	hsl(223, 77%, 58%)
HSV	hsv(223, 71%, 90%)
CMYK	cmyk(70.9%, 50.9%, 0%, 9.8%)
CIE-LAB	lab(50.35, 23.30, -64.00)
CIE-LCH	lch(50.35, 68.11, 290.00°)
OKLab	oklab(58.03% -0.0161 -0.184)
OKLCH	oklch(58.03% 0.185 265)
XYZ	xyz(22.4978, 18.7144, 77.2741)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371E6 #E6B843

analogous

#43C3E6 #4371E6 #6643E6

triadic

#4371E6 #E64371 #71E643

tetradic

#4371E6 #E643C3 #E6B843 #43E666

square

#4371E6 #E643C3 #E6B843 #43E666

split-complementary

#4371E6 #E66643 #C3E643

monochromatic

#143A9A #1C4FD0 #4371E6 #799AED #AFC3F4

Accessibility & contrast

On white

4.43

#4371E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4371E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4371E6

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371E6	#FFFFFF	#000000	##000000
##4371E6	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2780EA

Deuteranopia (green-blind)

#0071E4

Tritanopia (blue-blind)

#008DA1

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4371e6;
/* rgb */ color: rgb(67, 113, 230);
/* oklch */ color: oklch(58.0% 0.185 265.0);

Tailwind

colors: {
  custom: {
    50: '#8a99ef',
    500: '#4371e6',
    950: '#000000',
  },
}

SCSS

$custom: #4371e6;
$custom-light: #8a99ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4371e6",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 230
  },
  "hsl": {
    "h": 223.067,
    "s": 76.526,
    "l": 58.235
  },
  "oklch": {
    "l": 0.58026,
    "c": 0.18469,
    "h": 265
  },
  "luminance": 0.18717
}

Semantic roles & 50–950 ramp

primary

#4371E6

secondary

#E3D1A2

accent

#BD35F3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4371E6

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

Preview Lab → · Contrast checker → · Palette generator →