#6375B2#6375B2

#6375B2 is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.4% C 0.097 H 270.6°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#6375B2
RGB	rgb(99, 117, 178)
HSL	hsl(226, 34%, 54%)
HSV	hsv(226, 44%, 70%)
CMYK	cmyk(44.4%, 34.3%, 0%, 30.2%)
CIE-LAB	lab(50.20, 9.74, -34.47)
CIE-LCH	lch(50.20, 35.82, 285.79°)
OKLab	oklab(57.42% 0.0011 -0.0968)
OKLCH	oklch(57.42% 0.097 270.6)
XYZ	xyz(19.5403, 18.5885, 44.6692)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6375B2 #B2A063

analogous

#639DB2 #6375B2 #7963B2

triadic

#6375B2 #B26375 #75B263

tetradic

#6375B2 #B2639D #B2A063 #63B279

square

#6375B2 #B2639D #B2A063 #63B279

split-complementary

#6375B2 #B27963 #9DB263

monochromatic

#333F68 #475890 #6375B2 #8C99C6 #B5BDDA

Accessibility & contrast

On white

4.45

#6375B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#6375B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6375B2

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6375B2	#FFFFFF	#000000	##000000
##6375B2	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB5

Deuteranopia (green-blind)

#5874B1

Tritanopia (blue-blind)

#47828B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #6375b2;
/* rgb */ color: rgb(99, 117, 178);
/* oklch */ color: oklch(57.4% 0.097 270.6);

Tailwind

colors: {
  custom: {
    50: '#939cc9',
    500: '#6375b2',
    950: '#000000',
  },
}

SCSS

$custom: #6375b2;
$custom-light: #939cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#6375b2",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 178
  },
  "hsl": {
    "h": 226.329,
    "s": 33.906,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57416,
    "c": 0.09678,
    "h": 270.6
  },
  "luminance": 0.1859
}

Semantic roles & 50–950 ramp

primary

#6375B2

secondary

#C9C2A8

accent

#B15ECA

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #6375B2

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

Preview Lab → · Contrast checker → · Palette generator →