#6377DF#6377DF

#6377DF is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.4% C 0.158 H 272.6°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#6377DF
RGB	rgb(99, 119, 223)
HSL	hsl(230, 66%, 63%)
HSV	hsv(230, 56%, 87%)
CMYK	cmyk(55.6%, 46.6%, 0%, 12.5%)
CIE-LAB	lab(53.14, 22.60, -55.49)
CIE-LCH	lch(53.14, 59.92, 292.16°)
OKLab	oklab(60.45% 0.0073 -0.1582)
OKLCH	oklch(60.45% 0.158 272.6)
XYZ	xyz(25.0573, 21.1722, 72.5640)
Luminance	0.2117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6377DF #DFCB63

analogous

#63B5DF #6377DF #8D63DF

triadic

#6377DF #DF6377 #77DF63

tetradic

#6377DF #DF63B5 #DFCB63 #63DF8D

square

#6377DF #DF63B5 #DFCB63 #63DF8D

split-complementary

#6377DF #DF8D63 #B5DF63

monochromatic

#2237A6 #304BD5 #6377DF #96A3E9 #C9D0F4

Accessibility & contrast

On white

4.01

#6377DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#6377DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6377DF

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6377DF	#FFFFFF	#000000	##000000
##6377DF	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4684E3

Deuteranopia (green-blind)

#367ADD

Tritanopia (blue-blind)

#1A8EA0

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #6377df;
/* rgb */ color: rgb(99, 119, 223);
/* oklch */ color: oklch(60.4% 0.158 272.6);

Tailwind

colors: {
  custom: {
    50: '#989de9',
    500: '#6377df',
    950: '#000000',
  },
}

SCSS

$custom: #6377df;
$custom-light: #989de9;
$custom-dark: #000000;

JSON

{
  "hex": "#6377df",
  "rgb": {
    "r": 99,
    "g": 119,
    "b": 223
  },
  "hsl": {
    "h": 230.323,
    "s": 65.957,
    "l": 63.137
  },
  "oklch": {
    "l": 0.60447,
    "c": 0.1584,
    "h": 272.6
  },
  "luminance": 0.21174
}

Semantic roles & 50–950 ramp

primary

#6377DF

secondary

#E5DEB9

accent

#B018CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #6377DF

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

Preview Lab → · Contrast checker → · Palette generator →