#6375CB#6375CB

#6375CB is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.8% C 0.133 H 272.8°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#6375CB
RGB	rgb(99, 117, 203)
HSL	hsl(230, 50%, 59%)
HSV	hsv(230, 51%, 80%)
CMYK	cmyk(51.2%, 42.4%, 0%, 20.4%)
CIE-LAB	lab(51.48, 17.44, -46.81)
CIE-LCH	lch(51.48, 49.96, 290.44°)
OKLab	oklab(58.82% 0.0065 -0.1328)
OKLCH	oklch(58.82% 0.133 272.8)
XYZ	xyz(22.2829, 19.6856, 59.1139)
Luminance	0.1969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6375CB #CBB963

analogous

#63A9CB #6375CB #8563CB

triadic

#6375CB #CB6375 #75CB63

tetradic

#6375CB #CB63A9 #CBB963 #63CB85

square

#6375CB #CB63A9 #CBB963 #63CB85

split-complementary

#6375CB #CB8563 #A9CB63

monochromatic

#2D3C87 #3C51B5 #6375CB #919EDA #BFC6EA

Accessibility & contrast

On white

4.25

#6375CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#6375CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6375CB

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6375CB	#FFFFFF	#000000	##000000
##6375CB	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527FCE

Deuteranopia (green-blind)

#4777C9

Tritanopia (blue-blind)

#358796

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6375cb;
/* rgb */ color: rgb(99, 117, 203);
/* oklch */ color: oklch(58.8% 0.133 272.8);

Tailwind

colors: {
  custom: {
    50: '#969cdb',
    500: '#6375cb',
    950: '#000000',
  },
}

SCSS

$custom: #6375cb;
$custom-light: #969cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#6375cb",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 203
  },
  "hsl": {
    "h": 229.615,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.58816,
    "c": 0.13294,
    "h": 272.8
  },
  "luminance": 0.19687
}

Semantic roles & 50–950 ramp

primary

#6375CB

secondary

#D9D2B1

accent

#C14EDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6375CB

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

Preview Lab → · Contrast checker → · Palette generator →