#6378BD#6378BD

#6378BD is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.6% C 0.109 H 270.0°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#6378BD
RGB	rgb(99, 120, 189)
HSL	hsl(226, 41%, 56%)
HSV	hsv(226, 48%, 74%)
CMYK	cmyk(47.6%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(51.56, 11.26, -38.67)
CIE-LCH	lch(51.56, 40.28, 286.24°)
OKLab	oklab(58.64% 0 -0.109)
OKLCH	oklch(58.64% 0.109 270)
XYZ	xyz(21.0444, 19.7585, 50.8391)
Luminance	0.1976 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6378BD #BDA863

analogous

#63A5BD #6378BD #7B63BD

triadic

#6378BD #BD6378 #78BD63

tetradic

#6378BD #BD63A5 #BDA863 #63BD7B

square

#6378BD #BD63A5 #BDA863 #63BD7B

split-complementary

#6378BD #BD7B63 #A5BD63

monochromatic

#314174 #43599F #6378BD #8E9DCF #B9C2E1

Accessibility & contrast

On white

4.24

#6378BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#6378BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6378BD

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6378BD	#FFFFFF	#000000	##000000
##6378BD	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)

#5E7FC0

Deuteranopia (green-blind)

#5577BB

Tritanopia (blue-blind)

#408691

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6378bd;
/* rgb */ color: rgb(99, 120, 189);
/* oklch */ color: oklch(58.6% 0.109 270.0);

Tailwind

colors: {
  custom: {
    50: '#949ed1',
    500: '#6378bd',
    950: '#000000',
  },
}

SCSS

$custom: #6378bd;
$custom-light: #949ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#6378bd",
  "rgb": {
    "r": 99,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 226,
    "s": 40.541,
    "l": 56.471
  },
  "oklch": {
    "l": 0.58643,
    "c": 0.10898,
    "h": 270
  },
  "luminance": 0.1976
}

Semantic roles & 50–950 ramp

primary

#6378BD

secondary

#D0C8AB

accent

#B457D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #6378BD

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

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