#6377AC#6377AC

#6377AC is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.5% C 0.086 H 267.9°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#6377AC
RGB	rgb(99, 119, 172)
HSL	hsl(224, 31%, 53%)
HSV	hsv(224, 42%, 67%)
CMYK	cmyk(42.4%, 30.8%, 0%, 32.5%)
CIE-LAB	lab(50.48, 6.75, -30.55)
CIE-LCH	lch(50.48, 31.29, 282.46°)
OKLab	oklab(57.54% -0.0032 -0.0854)
OKLCH	oklch(57.54% 0.086 267.9)
XYZ	xyz(19.1865, 18.8239, 41.6441)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6377AC #AC9863

analogous

#639BAC #6377AC #7363AC

triadic

#6377AC #AC6377 #77AC63

tetradic

#6377AC #AC639B #AC9863 #63AC73

square

#6377AC #AC639B #AC9863 #63AC73

split-complementary

#6377AC #AC7363 #9BAC63

monochromatic

#344061 #495A89 #6377AC #8B9AC1 #B3BDD7

Accessibility & contrast

On white

4.41

#6377AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#6377AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6377AC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6377AC	#FFFFFF	#000000	##000000
##6377AC	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647CAE

Deuteranopia (green-blind)

#5D75AB

Tritanopia (blue-blind)

#4A828A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6377ac;
/* rgb */ color: rgb(99, 119, 172);
/* oklch */ color: oklch(57.5% 0.086 267.9);

Tailwind

colors: {
  custom: {
    50: '#929ec5',
    500: '#6377ac',
    950: '#000000',
  },
}

SCSS

$custom: #6377ac;
$custom-light: #929ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#6377ac",
  "rgb": {
    "r": 99,
    "g": 119,
    "b": 172
  },
  "hsl": {
    "h": 223.562,
    "s": 30.544,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5754,
    "c": 0.08551,
    "h": 267.9
  },
  "luminance": 0.18825
}

Semantic roles & 50–950 ramp

primary

#6377AC

secondary

#C5BDA6

accent

#AB61C7

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #6377AC

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

Preview Lab → · Contrast checker → · Palette generator →