#4377E7#4377E7

#4377E7 is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.3% C 0.179 H 263.3°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4377E7
RGB	rgb(67, 119, 231)
HSL	hsl(221, 77%, 58%)
HSV	hsv(221, 71%, 91%)
CMYK	cmyk(71%, 48.5%, 0%, 9.4%)
CIE-LAB	lab(52.01, 19.91, -61.88)
CIE-LCH	lch(52.01, 65.01, 287.84°)
OKLab	oklab(59.31% -0.021 -0.1776)
OKLCH	oklch(59.31% 0.179 263.3)
XYZ	xyz(23.3303, 20.1540, 78.2464)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377E7 #E7B343

analogous

#43C9E7 #4377E7 #6143E7

triadic

#4377E7 #E74377 #77E743

tetradic

#4377E7 #E743C9 #E7B343 #43E761

square

#4377E7 #E743C9 #E7B343 #43E761

split-complementary

#4377E7 #E76143 #C9E743

monochromatic

#143F9C #1B55D2 #4377E7 #799EEE #B0C6F5

Accessibility & contrast

On white

4.17

#4377E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#4377E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377E7

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377E7	#FFFFFF	#000000	##000000
##4377E7	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3884EB

Deuteranopia (green-blind)

#0075E5

Tritanopia (blue-blind)

#0091A4

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4377e7;
/* rgb */ color: rgb(67, 119, 231);
/* oklch */ color: oklch(59.3% 0.179 263.3);

Tailwind

colors: {
  custom: {
    50: '#8a9def',
    500: '#4377e7',
    950: '#000000',
  },
}

SCSS

$custom: #4377e7;
$custom-light: #8a9def;
$custom-dark: #000000;

JSON

{
  "hex": "#4377e7",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 231
  },
  "hsl": {
    "h": 220.976,
    "s": 77.358,
    "l": 58.431
  },
  "oklch": {
    "l": 0.59312,
    "c": 0.17888,
    "h": 263.3
  },
  "luminance": 0.20156
}

Semantic roles & 50–950 ramp

primary

#4377E7

secondary

#E3CFA2

accent

#B734F4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4377E7

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

Preview Lab → · Contrast checker → · Palette generator →