#4377E1#4377E1

#4377E1 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.9% C 0.171 H 262.7°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4377E1
RGB	rgb(67, 119, 225)
HSL	hsl(220, 72%, 57%)
HSV	hsv(220, 70%, 88%)
CMYK	cmyk(70.2%, 47.1%, 0%, 11.8%)
CIE-LAB	lab(51.63, 17.77, -59.12)
CIE-LCH	lch(51.63, 61.73, 286.73°)
OKLab	oklab(58.9% -0.0218 -0.1695)
OKLCH	oklch(58.9% 0.171 262.7)
XYZ	xyz(22.4973, 19.8208, 73.8597)
Luminance	0.1982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377E1 #E1AD43

analogous

#43C6E1 #4377E1 #5E43E1

triadic

#4377E1 #E14377 #77E143

tetradic

#4377E1 #E143C6 #E1AD43 #43E15E

square

#4377E1 #E143C6 #E1AD43 #43E15E

split-complementary

#4377E1 #E15E43 #C6E143

monochromatic

#174092 #2057C7 #4377E1 #789DE9 #ADC3F2

Accessibility & contrast

On white

4.23

#4377E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#4377E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377E1

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377E1	#FFFFFF	#000000	##000000
##4377E1	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E83E5

Deuteranopia (green-blind)

#1574DF

Tritanopia (blue-blind)

#0090A1

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4377e1;
/* rgb */ color: rgb(67, 119, 225);
/* oklch */ color: oklch(58.9% 0.171 262.7);

Tailwind

colors: {
  custom: {
    50: '#899deb',
    500: '#4377e1',
    950: '#000000',
  },
}

SCSS

$custom: #4377e1;
$custom-light: #899deb;
$custom-dark: #000000;

JSON

{
  "hex": "#4377e1",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 225
  },
  "hsl": {
    "h": 220.253,
    "s": 72.477,
    "l": 57.255
  },
  "oklch": {
    "l": 0.58902,
    "c": 0.17092,
    "h": 262.7
  },
  "luminance": 0.19823
}

Semantic roles & 50–950 ramp

primary

#4377E1

secondary

#E0CBA0

accent

#B339EF

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4377E1

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

Preview Lab → · Contrast checker → · Palette generator →