#6375CC#6375CC

#6375CC is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.9% C 0.134 H 272.8°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#6375CC
RGB	rgb(99, 117, 204)
HSL	hsl(230, 51%, 59%)
HSV	hsv(230, 51%, 80%)
CMYK	cmyk(51.5%, 42.6%, 0%, 20%)
CIE-LAB	lab(51.53, 17.76, -47.30)
CIE-LCH	lch(51.53, 50.52, 290.58°)
OKLab	oklab(58.88% 0.0066 -0.1342)
OKLCH	oklch(58.88% 0.134 272.8)
XYZ	xyz(22.4025, 19.7334, 59.7435)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6375CC #CCBA63

analogous

#63AACC #6375CC #8663CC

triadic

#6375CC #CC6375 #75CC63

tetradic

#6375CC #CC63AA #CCBA63 #63CC86

square

#6375CC #CC63AA #CCBA63 #63CC86

split-complementary

#6375CC #CC8663 #AACC63

monochromatic

#2C3C88 #3C51B6 #6375CC #919EDB #BFC7EA

Accessibility & contrast

On white

4.24

#6375CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#6375CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6375CC

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6375CC	#FFFFFF	#000000	##000000
##6375CC	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5180CF

Deuteranopia (green-blind)

#4677CA

Tritanopia (blue-blind)

#358896

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6375cc;
/* rgb */ color: rgb(99, 117, 204);
/* oklch */ color: oklch(58.9% 0.134 272.8);

Tailwind

colors: {
  custom: {
    50: '#969cdc',
    500: '#6375cc',
    950: '#000000',
  },
}

SCSS

$custom: #6375cc;
$custom-light: #969cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#6375cc",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 229.714,
    "s": 50.725,
    "l": 59.412
  },
  "oklch": {
    "l": 0.58876,
    "c": 0.13435,
    "h": 272.8
  },
  "luminance": 0.19735
}

Semantic roles & 50–950 ramp

primary

#6375CC

secondary

#DAD3B1

accent

#C24EDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6375CC

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

Preview Lab → · Contrast checker → · Palette generator →