#6375DD#6375DD

#6375DD is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.9% C 0.158 H 273.3°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#6375DD
RGB	rgb(99, 117, 221)
HSL	hsl(231, 64%, 63%)
HSV	hsv(231, 55%, 87%)
CMYK	cmyk(55.2%, 47.1%, 0%, 13.3%)
CIE-LAB	lab(52.50, 23.17, -55.38)
CIE-LCH	lch(52.50, 60.04, 292.71°)
OKLab	oklab(59.93% 0.0092 -0.1579)
OKLCH	oklch(59.93% 0.158 273.3)
XYZ	xyz(24.5538, 20.5939, 71.0737)
Luminance	0.2060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6375DD #DDCB63

analogous

#63B2DD #6375DD #8E63DD

triadic

#6375DD #DD6375 #75DD63

tetradic

#6375DD #DD63B2 #DDCB63 #63DD8E

square

#6375DD #DD63B2 #DDCB63 #63DD8E

split-complementary

#6375DD #DD8E63 #B2DD63

monochromatic

#2336A2 #3149D2 #6375DD #95A1E8 #C7CEF3

Accessibility & contrast

On white

4.10

#6375DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#6375DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6375DD

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6375DD	#FFFFFF	#000000	##000000
##6375DD	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4483E1

Deuteranopia (green-blind)

#3478DB

Tritanopia (blue-blind)

#1F8C9E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #6375dd;
/* rgb */ color: rgb(99, 117, 221);
/* oklch */ color: oklch(59.9% 0.158 273.3);

Tailwind

colors: {
  custom: {
    50: '#989ce8',
    500: '#6375dd',
    950: '#000000',
  },
}

SCSS

$custom: #6375dd;
$custom-light: #989ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#6375dd",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 221
  },
  "hsl": {
    "h": 231.148,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.59927,
    "c": 0.1582,
    "h": 273.3
  },
  "luminance": 0.20596
}

Semantic roles & 50–950 ramp

primary

#6375DD

secondary

#E4DDB8

accent

#B219CC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #6375DD

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

Preview Lab → · Contrast checker → · Palette generator →