#6377ED#6377ED

#6377ED is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.4% C 0.178 H 272.8°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#6377ED
RGB	rgb(99, 119, 237)
HSL	hsl(231, 79%, 66%)
HSV	hsv(231, 58%, 93%)
CMYK	cmyk(58.2%, 49.8%, 0%, 7.1%)
CIE-LAB	lab(53.98, 27.13, -61.98)
CIE-LCH	lch(53.98, 67.66, 293.64°)
OKLab	oklab(61.36% 0.0088 -0.1773)
OKLCH	oklch(61.36% 0.178 272.8)
XYZ	xyz(27.0234, 21.9586, 82.9187)
Luminance	0.2196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6377ED #EDD963

analogous

#63BCED #6377ED #9463ED

triadic

#6377ED #ED6377 #77ED63

tetradic

#6377ED #ED63BC #EDD963 #63ED94

square

#6377ED #ED63BC #EDD963 #63ED94

split-complementary

#6377ED #ED9463 #BCED63

monochromatic

#162FC0 #2C47E7 #6377ED #9AA7F3 #D1D7FA

Accessibility & contrast

On white

3.89

#6377ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#6377ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6377ED

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6377ED	#FFFFFF	#000000	##000000
##6377ED	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3887F1

Deuteranopia (green-blind)

#1C7BEB

Tritanopia (blue-blind)

#0092A7

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #6377ed;
/* rgb */ color: rgb(99, 119, 237);
/* oklch */ color: oklch(61.4% 0.178 272.8);

Tailwind

colors: {
  custom: {
    50: '#9a9ef3',
    500: '#6377ed',
    950: '#000000',
  },
}

SCSS

$custom: #6377ed;
$custom-light: #9a9ef3;
$custom-dark: #000000;

JSON

{
  "hex": "#6377ed",
  "rgb": {
    "r": 99,
    "g": 119,
    "b": 237
  },
  "hsl": {
    "h": 231.304,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.6136,
    "c": 0.17752,
    "h": 272.8
  },
  "luminance": 0.21961
}

Semantic roles & 50–950 ramp

primary

#6377ED

secondary

#EDE6BF

accent

#BD0ADC

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6377ED

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

Preview Lab → · Contrast checker → · Palette generator →