#6387EA#6387EA

#6387EA is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.3% C 0.154 H 267.0°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#6387EA
RGB	rgb(99, 135, 234)
HSL	hsl(224, 76%, 65%)
HSV	hsv(224, 58%, 92%)
CMYK	cmyk(57.7%, 42.3%, 0%, 8.2%)
CIE-LAB	lab(57.96, 16.48, -53.94)
CIE-LCH	lch(57.96, 56.40, 286.99°)
OKLab	oklab(64.33% -0.008 -0.1535)
OKLCH	oklch(64.33% 0.154 267)
XYZ	xyz(28.6558, 25.9188, 81.3187)
Luminance	0.2592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6387EA #EAC663

analogous

#63CAEA #6387EA #8263EA

triadic

#6387EA #EA6387 #87EA63

tetradic

#6387EA #EA63CA #EAC663 #63EA82

square

#6387EA #EA63CA #EAC663 #63EA82

split-complementary

#6387EA #EA8263 #CAEA63

monochromatic

#1944BA #2D5EE3 #6387EA #99B0F1 #CFDAF9

Accessibility & contrast

On white

3.40

#6387EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#6387EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6387EA

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6387EA	#FFFFFF	#000000	##000000
##6387EA	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B92EE

Deuteranopia (green-blind)

#4986E8

Tritanopia (blue-blind)

#009DAD

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #6387ea;
/* rgb */ color: rgb(99, 135, 234);
/* oklch */ color: oklch(64.3% 0.154 267.0);

Tailwind

colors: {
  custom: {
    50: '#99a9f1',
    500: '#6387ea',
    950: '#000000',
  },
}

SCSS

$custom: #6387ea;
$custom-light: #99a9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#6387ea",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 234
  },
  "hsl": {
    "h": 224,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.64335,
    "c": 0.15371,
    "h": 267
  },
  "luminance": 0.25921
}

Semantic roles & 50–950 ramp

primary

#6387EA

secondary

#EBDFBE

accent

#A20DD8

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6387EA

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

Preview Lab → · Contrast checker → · Palette generator →