#6370AD#6370AD

#6370AD is a mid, moderate blue. Relative luminance 0.173; OKLCH L 56.1% C 0.096 H 273.8°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#6370AD
RGB	rgb(99, 112, 173)
HSL	hsl(229, 31%, 53%)
HSV	hsv(229, 43%, 68%)
CMYK	cmyk(42.8%, 35.3%, 0%, 32.2%)
CIE-LAB	lab(48.58, 11.29, -34.11)
CIE-LCH	lch(48.58, 35.93, 288.32°)
OKLab	oklab(56.09% 0.0063 -0.0957)
OKLCH	oklch(56.09% 0.096 273.8)
XYZ	xyz(18.4803, 17.2572, 41.8843)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370AD #ADA063

analogous

#6395AD #6370AD #7B63AD

triadic

#6370AD #AD6370 #70AD63

tetradic

#6370AD #AD6395 #ADA063 #63AD7B

square

#6370AD #AD6395 #ADA063 #63AD7B

split-complementary

#6370AD #AD7B63 #95AD63

monochromatic

#343C62 #49548A #6370AD #8B95C2 #B3BAD7

Accessibility & contrast

On white

4.72

#6370AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#6370AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6370AD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370AD	#FFFFFF	#000000	##FFFFFF
##6370AD	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B77AF

Deuteranopia (green-blind)

#5571AC

Tritanopia (blue-blind)

#4B7C86

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6370ad;
/* rgb */ color: rgb(99, 112, 173);
/* oklch */ color: oklch(56.1% 0.096 273.8);

Tailwind

colors: {
  custom: {
    50: '#9398c5',
    500: '#6370ad',
    950: '#000000',
  },
}

SCSS

$custom: #6370ad;
$custom-light: #9398c5;
$custom-dark: #000000;

JSON

{
  "hex": "#6370ad",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 173
  },
  "hsl": {
    "h": 229.459,
    "s": 31.092,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56086,
    "c": 0.09595,
    "h": 273.8
  },
  "luminance": 0.17258
}

Semantic roles & 50–950 ramp

primary

#6370AD

secondary

#C6C0A6

accent

#B561C7

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0D13

muted

#7E7E82

Preview Lab

Preview with #6370AD

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

Preview Lab → · Contrast checker → · Palette generator →