#6375BA#6375BA

#6375BA is a mid, moderate blue. Relative luminance 0.189; OKLCH L 57.8% C 0.108 H 271.6°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#6375BA
RGB	rgb(99, 117, 186)
HSL	hsl(228, 39%, 56%)
HSV	hsv(228, 47%, 73%)
CMYK	cmyk(46.8%, 37.1%, 0%, 27.1%)
CIE-LAB	lab(50.59, 12.17, -38.47)
CIE-LCH	lch(50.59, 40.35, 287.55°)
OKLab	oklab(57.85% 0.003 -0.1084)
OKLCH	oklch(57.85% 0.108 271.6)
XYZ	xyz(20.3670, 18.9192, 49.0234)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6375BA #BAA863

analogous

#63A0BA #6375BA #7C63BA

triadic

#6375BA #BA6375 #75BA63

tetradic

#6375BA #BA63A0 #BAA863 #63BA7C

square

#6375BA #BA63A0 #BAA863 #63BA7C

split-complementary

#6375BA #BA7C63 #A0BA63

monochromatic

#323F71 #45579B #6375BA #8D9BCD #B8C0E0

Accessibility & contrast

On white

4.39

#6375BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#6375BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6375BA

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6375BA	#FFFFFF	#000000	##000000
##6375BA	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7CBD

Deuteranopia (green-blind)

#5375B8

Tritanopia (blue-blind)

#42838F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6375ba;
/* rgb */ color: rgb(99, 117, 186);
/* oklch */ color: oklch(57.8% 0.108 271.6);

Tailwind

colors: {
  custom: {
    50: '#949ccf',
    500: '#6375ba',
    950: '#000000',
  },
}

SCSS

$custom: #6375ba;
$custom-light: #949ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#6375ba",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 186
  },
  "hsl": {
    "h": 227.586,
    "s": 38.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57845,
    "c": 0.10846,
    "h": 271.6
  },
  "luminance": 0.1892
}

Semantic roles & 50–950 ramp

primary

#6375BA

secondary

#CEC7AA

accent

#B659CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #6375BA

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

Preview Lab → · Contrast checker → · Palette generator →