#6388EA#6388EA

#6388EA is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.5% C 0.153 H 266.6°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#6388EA
RGB	rgb(99, 136, 234)
HSL	hsl(224, 76%, 65%)
HSV	hsv(224, 58%, 92%)
CMYK	cmyk(57.7%, 41.9%, 0%, 8.2%)
CIE-LAB	lab(58.23, 15.88, -53.52)
CIE-LCH	lch(58.23, 55.82, 286.53°)
OKLab	oklab(64.54% -0.0091 -0.1522)
OKLCH	oklch(64.54% 0.153 266.6)
XYZ	xyz(28.7960, 26.1992, 81.3654)
Luminance	0.2620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6388EA #EAC563

analogous

#63CBEA #6388EA #8263EA

triadic

#6388EA #EA6388 #88EA63

tetradic

#6388EA #EA63CB #EAC563 #63EA82

square

#6388EA #EA63CB #EAC563 #63EA82

split-complementary

#6388EA #EA8263 #CBEA63

monochromatic

#1945BA #2D5FE3 #6388EA #99B1F1 #CFDAF9

Accessibility & contrast

On white

3.37

#6388EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#6388EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6388EA

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6388EA	#FFFFFF	#000000	##000000
##6388EA	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D92EE

Deuteranopia (green-blind)

#4B86E8

Tritanopia (blue-blind)

#009EAE

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #6388ea;
/* rgb */ color: rgb(99, 136, 234);
/* oklch */ color: oklch(64.5% 0.153 266.6);

Tailwind

colors: {
  custom: {
    50: '#99aaf1',
    500: '#6388ea',
    950: '#000000',
  },
}

SCSS

$custom: #6388ea;
$custom-light: #99aaf1;
$custom-dark: #000000;

JSON

{
  "hex": "#6388ea",
  "rgb": {
    "r": 99,
    "g": 136,
    "b": 234
  },
  "hsl": {
    "h": 223.556,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.64539,
    "c": 0.15252,
    "h": 266.6
  },
  "luminance": 0.26201
}

Semantic roles & 50–950 ramp

primary

#6388EA

secondary

#EBDFBE

accent

#A10DD8

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6388EA

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

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