#6359CB#6359CB

#6359CB is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.5% C 0.171 H 282.9°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#6359CB
RGB	rgb(99, 89, 203)
HSL	hsl(245, 52%, 57%)
HSV	hsv(245, 56%, 80%)
CMYK	cmyk(51.2%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(44.39, 34.58, -58.18)
CIE-LCH	lch(44.39, 67.68, 300.72°)
OKLab	oklab(53.47% 0.0382 -0.1664)
OKLCH	oklch(53.47% 0.171 282.9)
XYZ	xyz(19.4942, 14.1081, 58.1843)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6359CB #C1CB59

analogous

#5988CB #6359CB #9C59CB

triadic

#6359CB #CB6359 #59CB63

tetradic

#6359CB #CB5988 #C1CB59 #59CB9C

square

#6359CB #CB5988 #C1CB59 #59CB9C

split-complementary

#6359CB #CB9C59 #88CB59

monochromatic

#302881 #4237B0 #6359CB #8F88DA #BBB6E8

Accessibility & contrast

On white

5.49

#6359CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#6359CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6359CB

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6359CB	#FFFFFF	#000000	##FFFFFF
##6359CB	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#066DCF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#3A7389

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #6359cb;
/* rgb */ color: rgb(99, 89, 203);
/* oklch */ color: oklch(53.5% 0.171 282.9);

Tailwind

colors: {
  custom: {
    50: '#9788dc',
    500: '#6359cb',
    950: '#000000',
  },
}

SCSS

$custom: #6359cb;
$custom-light: #9788dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6359cb",
  "rgb": {
    "r": 99,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 245.263,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53468,
    "c": 0.17071,
    "h": 282.9
  },
  "luminance": 0.14109
}

Semantic roles & 50–950 ramp

primary

#6359CB

secondary

#D3D7A9

accent

#DC4CCF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6359CB

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

Preview Lab → · Contrast checker → · Palette generator →