#6379DF#6379DF

#6379DF is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.8% C 0.156 H 271.9°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#6379DF
RGB	rgb(99, 121, 223)
HSL	hsl(229, 66%, 63%)
HSV	hsv(229, 56%, 87%)
CMYK	cmyk(55.6%, 45.7%, 0%, 12.5%)
CIE-LAB	lab(53.66, 21.38, -54.66)
CIE-LCH	lch(53.66, 58.69, 291.36°)
OKLab	oklab(60.84% 0.0051 -0.1558)
OKLCH	oklch(60.84% 0.156 271.9)
XYZ	xyz(25.2979, 21.6533, 72.6441)
Luminance	0.2165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6379DF #DFC963

analogous

#63B7DF #6379DF #8B63DF

triadic

#6379DF #DF6379 #79DF63

tetradic

#6379DF #DF63B7 #DFC963 #63DF8B

square

#6379DF #DF63B7 #DFC963 #63DF8B

split-complementary

#6379DF #DF8B63 #B7DF63

monochromatic

#2239A6 #304DD5 #6379DF #96A5E9 #C9D0F4

Accessibility & contrast

On white

3.94

#6379DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#6379DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6379DF

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6379DF	#FFFFFF	#000000	##000000
##6379DF	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A86E3

Deuteranopia (green-blind)

#3A7BDD

Tritanopia (blue-blind)

#1A90A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #6379df;
/* rgb */ color: rgb(99, 121, 223);
/* oklch */ color: oklch(60.8% 0.156 271.9);

Tailwind

colors: {
  custom: {
    50: '#989fe9',
    500: '#6379df',
    950: '#000000',
  },
}

SCSS

$custom: #6379df;
$custom-light: #989fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#6379df",
  "rgb": {
    "r": 99,
    "g": 121,
    "b": 223
  },
  "hsl": {
    "h": 229.355,
    "s": 65.957,
    "l": 63.137
  },
  "oklch": {
    "l": 0.60843,
    "c": 0.15585,
    "h": 271.9
  },
  "luminance": 0.21655
}

Semantic roles & 50–950 ramp

primary

#6379DF

secondary

#E5DDB9

accent

#AE18CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #6379DF

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

Preview Lab → · Contrast checker → · Palette generator →