#6373EC#6373EC

#6373EC is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.5% C 0.181 H 274.0°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#6373EC
RGB	rgb(99, 115, 236)
HSL	hsl(233, 78%, 66%)
HSV	hsv(233, 58%, 93%)
CMYK	cmyk(58.1%, 51.3%, 0%, 7.5%)
CIE-LAB	lab(52.91, 29.23, -63.14)
CIE-LCH	lch(52.91, 69.58, 294.84°)
OKLab	oklab(60.53% 0.0127 -0.1808)
OKLCH	oklch(60.53% 0.181 274)
XYZ	xyz(26.4117, 20.9682, 81.9961)
Luminance	0.2097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6373EC #ECDC63

analogous

#63B7EC #6373EC #9763EC

triadic

#6373EC #EC6373 #73EC63

tetradic

#6373EC #EC63B7 #ECDC63 #63EC97

square

#6373EC #EC63B7 #ECDC63 #63EC97

split-complementary

#6373EC #EC9763 #B7EC63

monochromatic

#172BBE #2C42E5 #6373EC #9AA4F3 #D0D5F9

Accessibility & contrast

On white

4.04

#6373EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#6373EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6373EC

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6373EC	#FFFFFF	#000000	##000000
##6373EC	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E84F0

Deuteranopia (green-blind)

#0779E9

Tritanopia (blue-blind)

#008FA5

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6373ec;
/* rgb */ color: rgb(99, 115, 236);
/* oklch */ color: oklch(60.5% 0.181 274.0);

Tailwind

colors: {
  custom: {
    50: '#9a9bf3',
    500: '#6373ec',
    950: '#000000',
  },
}

SCSS

$custom: #6373ec;
$custom-light: #9a9bf3;
$custom-dark: #000000;

JSON

{
  "hex": "#6373ec",
  "rgb": {
    "r": 99,
    "g": 115,
    "b": 236
  },
  "hsl": {
    "h": 232.993,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.60534,
    "c": 0.18121,
    "h": 274
  },
  "luminance": 0.2097
}

Semantic roles & 50–950 ramp

primary

#6373EC

secondary

#ECE7BF

accent

#C20BDB

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6373EC

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

Preview Lab → · Contrast checker → · Palette generator →