#6379EB#6379EB

#6379EB is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.6% C 0.172 H 272.2°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#6379EB
RGB	rgb(99, 121, 235)
HSL	hsl(230, 77%, 65%)
HSV	hsv(230, 58%, 92%)
CMYK	cmyk(57.9%, 48.5%, 0%, 7.8%)
CIE-LAB	lab(54.37, 25.26, -60.24)
CIE-LCH	lch(54.37, 65.33, 292.75°)
OKLab	oklab(61.61% 0.0066 -0.1722)
OKLCH	oklch(61.61% 0.172 272.2)
XYZ	xyz(26.9734, 22.3235, 81.4686)
Luminance	0.2233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6379EB #EBD563

analogous

#63BDEB #6379EB #9163EB

triadic

#6379EB #EB6379 #79EB63

tetradic

#6379EB #EB63BD #EBD563 #63EB91

square

#6379EB #EB63BD #EBD563 #63EB91

split-complementary

#6379EB #EB9163 #BDEB63

monochromatic

#1832BC #2D4AE4 #6379EB #99A8F2 #CFD6F9

Accessibility & contrast

On white

3.84

#6379EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#6379EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6379EB

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6379EB	#FFFFFF	#000000	##000000
##6379EB	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F88EF

Deuteranopia (green-blind)

#287CE9

Tritanopia (blue-blind)

#0093A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #6379eb;
/* rgb */ color: rgb(99, 121, 235);
/* oklch */ color: oklch(61.6% 0.172 272.2);

Tailwind

colors: {
  custom: {
    50: '#9a9ff2',
    500: '#6379eb',
    950: '#000000',
  },
}

SCSS

$custom: #6379eb;
$custom-light: #9a9ff2;
$custom-dark: #000000;

JSON

{
  "hex": "#6379eb",
  "rgb": {
    "r": 99,
    "g": 121,
    "b": 235
  },
  "hsl": {
    "h": 230.294,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.61613,
    "c": 0.1723,
    "h": 272.2
  },
  "luminance": 0.22326
}

Semantic roles & 50–950 ramp

primary

#6379EB

secondary

#ECE4BE

accent

#B80CDA

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6379EB

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

Preview Lab → · Contrast checker → · Palette generator →