#4377FF#4377FF

#4377FF is a mid, highly saturated blue. Relative luminance 0.216; OKLCH L 61.0% C 0.210 H 264.9°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4377FF
RGB	rgb(67, 119, 255)
HSL	hsl(223, 100%, 63%)
HSV	hsv(223, 74%, 100%)
CMYK	cmyk(73.7%, 53.3%, 0%, 0%)
CIE-LAB	lab(53.60, 28.48, -72.66)
CIE-LCH	lch(53.60, 78.04, 291.41°)
OKLab	oklab(61.03% -0.0185 -0.2094)
OKLCH	oklch(61.03% 0.21 264.9)
XYZ	xyz(26.9552, 21.6040, 97.3377)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377FF #FFCB43

analogous

#43D5FF #4377FF #6D43FF

triadic

#4377FF #FF4377 #77FF43

tetradic

#4377FF #FF43D5 #FFCB43 #43FF6D

square

#4377FF #FF43D5 #FFCB43 #43FF6D

split-complementary

#4377FF #FF6D43 #D5FF43

monochromatic

#0037C8 #064BFF #4377FF #80A3FF #BDD0FF

Accessibility & contrast

On white

3.95

#4377FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#4377FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377FF

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377FF	#FFFFFF	#000000	##000000
##4377FF	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0089FF

Deuteranopia (green-blind)

#0078FC

Tritanopia (blue-blind)

#0098B0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4377ff;
/* rgb */ color: rgb(67, 119, 255);
/* oklch */ color: oklch(61.0% 0.210 264.9);

Tailwind

colors: {
  custom: {
    50: '#8f9dff',
    500: '#4377ff',
    950: '#000000',
  },
}

SCSS

$custom: #4377ff;
$custom-light: #8f9dff;
$custom-dark: #000000;

JSON

{
  "hex": "#4377ff",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 255
  },
  "hsl": {
    "h": 223.404,
    "s": 100,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61029,
    "c": 0.21018,
    "h": 264.9
  },
  "luminance": 0.21607
}

Semantic roles & 50–950 ramp

primary

#4377FF

secondary

#F1DEAD

accent

#A600E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E18

muted

#7E7E86

Preview Lab

Preview with #4377FF

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

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