#6375BC#6375BC

#6375BC is a mid, moderate blue. Relative luminance 0.190; OKLCH L 58.0% C 0.111 H 271.8°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#6375BC
RGB	rgb(99, 117, 188)
HSL	hsl(228, 40%, 56%)
HSV	hsv(228, 47%, 74%)
CMYK	cmyk(47.3%, 37.8%, 0%, 26.3%)
CIE-LAB	lab(50.69, 12.78, -39.47)
CIE-LCH	lch(50.69, 41.48, 287.94°)
OKLab	oklab(57.96% 0.0034 -0.1113)
OKLCH	oklch(57.96% 0.111 271.8)
XYZ	xyz(20.5811, 19.0049, 50.1510)
Luminance	0.1901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6375BC #BCAA63

analogous

#63A2BC #6375BC #7E63BC

triadic

#6375BC #BC6375 #75BC63

tetradic

#6375BC #BC63A2 #BCAA63 #63BC7E

square

#6375BC #BC63A2 #BCAA63 #63BC7E

split-complementary

#6375BC #BC7E63 #A2BC63

monochromatic

#313F73 #44569E #6375BC #8E9BCE #B9C1E1

Accessibility & contrast

On white

4.37

#6375BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#6375BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6375BC

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6375BC	#FFFFFF	#000000	##000000
##6375BC	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DBF

Deuteranopia (green-blind)

#5275BA

Tritanopia (blue-blind)

#41848F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6375bc;
/* rgb */ color: rgb(99, 117, 188);
/* oklch */ color: oklch(58.0% 0.111 271.8);

Tailwind

colors: {
  custom: {
    50: '#949cd0',
    500: '#6375bc',
    950: '#000000',
  },
}

SCSS

$custom: #6375bc;
$custom-light: #949cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#6375bc",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 188
  },
  "hsl": {
    "h": 227.865,
    "s": 39.91,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57955,
    "c": 0.11136,
    "h": 271.8
  },
  "luminance": 0.19006
}

Semantic roles & 50–950 ramp

primary

#6375BC

secondary

#D0C8AB

accent

#B858D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #6375BC

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

Preview Lab → · Contrast checker → · Palette generator →