#6357D5#6357D5

#6357D5 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.9% C 0.187 H 282.4°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#6357D5
RGB	rgb(99, 87, 213)
HSL	hsl(246, 60%, 59%)
HSV	hsv(246, 59%, 84%)
CMYK	cmyk(53.5%, 59.2%, 0%, 16.5%)
CIE-LAB	lab(44.62, 38.85, -63.55)
CIE-LCH	lch(44.62, 74.48, 301.44°)
OKLab	oklab(53.86% 0.0402 -0.1822)
OKLCH	oklch(53.86% 0.187 282.4)
XYZ	xyz(20.5603, 14.2719, 64.6092)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357D5 #C9D557

analogous

#578AD5 #6357D5 #A257D5

triadic

#6357D5 #D56357 #57D563

tetradic

#6357D5 #D5578A #C9D557 #57D5A2

square

#6357D5 #D5578A #C9D557 #57D5A2

split-complementary

#6357D5 #D5A257 #8AD557

monochromatic

#2E248E #3D30BF #6357D5 #9088E1 #BEB9ED

Accessibility & contrast

On white

5.45

#6357D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#6357D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357D5

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357D5	#FFFFFF	#000000	##FFFFFF
##6357D5	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED9

Deuteranopia (green-blind)

#0065D2

Tritanopia (blue-blind)

#31758E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #6357d5;
/* rgb */ color: rgb(99, 87, 213);
/* oklch */ color: oklch(53.9% 0.187 282.4);

Tailwind

colors: {
  custom: {
    50: '#9987e3',
    500: '#6357d5',
    950: '#000000',
  },
}

SCSS

$custom: #6357d5;
$custom-light: #9987e3;
$custom-dark: #000000;

JSON

{
  "hex": "#6357d5",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 213
  },
  "hsl": {
    "h": 245.714,
    "s": 60,
    "l": 58.824
  },
  "oklch": {
    "l": 0.53862,
    "c": 0.18655,
    "h": 282.4
  },
  "luminance": 0.14273
}

Semantic roles & 50–950 ramp

primary

#6357D5

secondary

#D8DDAB

accent

#E345D4

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0F0B15

muted

#7E7C84

Preview Lab

Preview with #6357D5

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

Preview Lab → · Contrast checker → · Palette generator →