#6387EC#6387EC

#6387EC is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.5% C 0.156 H 267.2°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#6387EC
RGB	rgb(99, 135, 236)
HSL	hsl(224, 78%, 66%)
HSV	hsv(224, 58%, 93%)
CMYK	cmyk(58.1%, 42.8%, 0%, 7.5%)
CIE-LAB	lab(58.07, 17.13, -54.88)
CIE-LCH	lch(58.07, 57.49, 287.33°)
OKLab	oklab(64.46% -0.0077 -0.1562)
OKLCH	oklch(64.46% 0.156 267.2)
XYZ	xyz(28.9448, 26.0344, 82.8404)
Luminance	0.2604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6387EC #ECC863

analogous

#63CBEC #6387EC #8363EC

triadic

#6387EC #EC6387 #87EC63

tetradic

#6387EC #EC63CB #ECC863 #63EC83

square

#6387EC #EC63CB #ECC863 #63EC83

split-complementary

#6387EC #EC8363 #CBEC63

monochromatic

#1743BE #2C5DE5 #6387EC #9AB1F3 #D0DBF9

Accessibility & contrast

On white

3.38

#6387EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#6387EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6387EC

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6387EC	#FFFFFF	#000000	##000000
##6387EC	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A92F0

Deuteranopia (green-blind)

#4786EA

Tritanopia (blue-blind)

#009EAE

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #6387ec;
/* rgb */ color: rgb(99, 135, 236);
/* oklch */ color: oklch(64.5% 0.156 267.2);

Tailwind

colors: {
  custom: {
    50: '#9aa9f3',
    500: '#6387ec',
    950: '#000000',
  },
}

SCSS

$custom: #6387ec;
$custom-light: #9aa9f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6387ec",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 236
  },
  "hsl": {
    "h": 224.234,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.64455,
    "c": 0.15643,
    "h": 267.2
  },
  "luminance": 0.26037
}

Semantic roles & 50–950 ramp

primary

#6387EC

secondary

#ECE0BF

accent

#A40BDB

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6387EC

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

Preview Lab → · Contrast checker → · Palette generator →