#6370E7#6370E7

#6370E7 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.6% C 0.178 H 274.9°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#6370E7
RGB	rgb(99, 112, 231)
HSL	hsl(234, 73%, 65%)
HSV	hsv(234, 57%, 91%)
CMYK	cmyk(57.1%, 51.5%, 0%, 9.4%)
CIE-LAB	lab(51.85, 29.44, -62.06)
CIE-LCH	lch(51.85, 68.69, 295.38°)
OKLab	oklab(59.63% 0.0154 -0.1776)
OKLCH	oklch(59.63% 0.178 274.9)
XYZ	xyz(25.3589, 20.0086, 78.1116)
Luminance	0.2001 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370E7 #E7DA63

analogous

#63B2E7 #6370E7 #9863E7

triadic

#6370E7 #E76370 #70E763

tetradic

#6370E7 #E763B2 #E7DA63 #63E798

square

#6370E7 #E763B2 #E7DA63 #63E798

split-complementary

#6370E7 #E79863 #B2E763

monochromatic

#1C2BB4 #2E3FDF #6370E7 #98A1EF #CDD1F7

Accessibility & contrast

On white

4.20

#6370E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#6370E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370E7

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370E7	#FFFFFF	#000000	##000000
##6370E7	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D81EB

Deuteranopia (green-blind)

#0A76E5

Tritanopia (blue-blind)

#048BA1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #6370e7;
/* rgb */ color: rgb(99, 112, 231);
/* oklch */ color: oklch(59.6% 0.178 274.9);

Tailwind

colors: {
  custom: {
    50: '#9a98ef',
    500: '#6370e7',
    950: '#000000',
  },
}

SCSS

$custom: #6370e7;
$custom-light: #9a98ef;
$custom-dark: #000000;

JSON

{
  "hex": "#6370e7",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 231
  },
  "hsl": {
    "h": 234.091,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.59629,
    "c": 0.17827,
    "h": 274.9
  },
  "luminance": 0.20011
}

Semantic roles & 50–950 ramp

primary

#6370E7

secondary

#EAE5BC

accent

#C210D5

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #6370E7

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

Preview Lab → · Contrast checker → · Palette generator →