#6370CD#6370CD

#6370CD is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.9% C 0.142 H 275.1°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#6370CD
RGB	rgb(99, 112, 205)
HSL	hsl(233, 51%, 60%)
HSV	hsv(233, 52%, 80%)
CMYK	cmyk(51.7%, 45.4%, 0%, 19.6%)
CIE-LAB	lab(50.27, 21.13, -49.88)
CIE-LCH	lch(50.27, 54.17, 292.96°)
OKLab	oklab(57.93% 0.0126 -0.1418)
OKLCH	oklch(57.93% 0.142 275.1)
XYZ	xyz(21.9557, 18.6474, 60.1881)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370CD #CDC063

analogous

#63A5CD #6370CD #8B63CD

triadic

#6370CD #CD6370 #70CD63

tetradic

#6370CD #CD63A5 #CDC063 #63CD8B

square

#6370CD #CD63A5 #CDC063 #63CD8B

split-complementary

#6370CD #CD8B63 #A5CD63

monochromatic

#2C388A #3B4AB8 #6370CD #919ADC #C0C5EB

Accessibility & contrast

On white

4.44

#6370CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#6370CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370CD

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370CD	#FFFFFF	#000000	##000000
##6370CD	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487CD0

Deuteranopia (green-blind)

#3D73CB

Tritanopia (blue-blind)

#358494

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6370cd;
/* rgb */ color: rgb(99, 112, 205);
/* oklch */ color: oklch(57.9% 0.142 275.1);

Tailwind

colors: {
  custom: {
    50: '#9698dd',
    500: '#6370cd',
    950: '#000000',
  },
}

SCSS

$custom: #6370cd;
$custom-light: #9698dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6370cd",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 205
  },
  "hsl": {
    "h": 232.642,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.57931,
    "c": 0.14236,
    "h": 275.1
  },
  "luminance": 0.18649
}

Semantic roles & 50–950 ramp

primary

#6370CD

secondary

#DAD5B1

accent

#C94DDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #6370CD

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

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