#6376CC#6376CC

#6376CC is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.1% C 0.133 H 272.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#6376CC
RGB	rgb(99, 118, 204)
HSL	hsl(229, 51%, 59%)
HSV	hsv(229, 51%, 80%)
CMYK	cmyk(51.5%, 42.2%, 0%, 20%)
CIE-LAB	lab(51.80, 17.15, -46.87)
CIE-LCH	lch(51.80, 49.91, 290.10°)
OKLab	oklab(59.08% 0.0055 -0.1329)
OKLCH	oklch(59.08% 0.133 272.4)
XYZ	xyz(22.5196, 19.9677, 59.7825)
Luminance	0.1997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6376CC #CCB963

analogous

#63ABCC #6376CC #8563CC

triadic

#6376CC #CC6376 #76CC63

tetradic

#6376CC #CC63AB #CCB963 #63CC85

square

#6376CC #CC63AB #CCB963 #63CC85

split-complementary

#6376CC #CC8563 #ABCC63

monochromatic

#2C3D88 #3C52B6 #6376CC #919FDB #BFC7EA

Accessibility & contrast

On white

4.21

#6376CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#6376CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6376CC

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6376CC	#FFFFFF	#000000	##000000
##6376CC	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5380CF

Deuteranopia (green-blind)

#4877CA

Tritanopia (blue-blind)

#348897

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6376cc;
/* rgb */ color: rgb(99, 118, 204);
/* oklch */ color: oklch(59.1% 0.133 272.4);

Tailwind

colors: {
  custom: {
    50: '#969ddc',
    500: '#6376cc',
    950: '#000000',
  },
}

SCSS

$custom: #6376cc;
$custom-light: #969ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#6376cc",
  "rgb": {
    "r": 99,
    "g": 118,
    "b": 204
  },
  "hsl": {
    "h": 229.143,
    "s": 50.725,
    "l": 59.412
  },
  "oklch": {
    "l": 0.59079,
    "c": 0.13305,
    "h": 272.4
  },
  "luminance": 0.19969
}

Semantic roles & 50–950 ramp

primary

#6376CC

secondary

#DAD2B1

accent

#C14EDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6376CC

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

Preview Lab → · Contrast checker → · Palette generator →