#6388ED#6388ED

#6388ED is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.7% C 0.157 H 266.9°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#6388ED
RGB	rgb(99, 136, 237)
HSL	hsl(224, 79%, 66%)
HSV	hsv(224, 58%, 93%)
CMYK	cmyk(58.2%, 42.6%, 0%, 7.1%)
CIE-LAB	lab(58.39, 16.85, -54.92)
CIE-LCH	lch(58.39, 57.45, 287.06°)
OKLab	oklab(64.72% -0.0085 -0.1564)
OKLCH	oklch(64.72% 0.157 266.9)
XYZ	xyz(29.2306, 26.3730, 83.6545)
Luminance	0.2637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6388ED #EDC863

analogous

#63CDED #6388ED #8363ED

triadic

#6388ED #ED6388 #88ED63

tetradic

#6388ED #ED63CD #EDC863 #63ED83

square

#6388ED #ED63CD #EDC863 #63ED83

split-complementary

#6388ED #ED8363 #CDED63

monochromatic

#1644C0 #2C5EE7 #6388ED #9AB2F3 #D1DCFA

Accessibility & contrast

On white

3.35

#6388ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#6388ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6388ED

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6388ED	#FFFFFF	#000000	##000000
##6388ED	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B93F1

Deuteranopia (green-blind)

#4887EB

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #6388ed;
/* rgb */ color: rgb(99, 136, 237);
/* oklch */ color: oklch(64.7% 0.157 266.9);

Tailwind

colors: {
  custom: {
    50: '#9aaaf3',
    500: '#6388ed',
    950: '#000000',
  },
}

SCSS

$custom: #6388ed;
$custom-light: #9aaaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#6388ed",
  "rgb": {
    "r": 99,
    "g": 136,
    "b": 237
  },
  "hsl": {
    "h": 223.913,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.64718,
    "c": 0.1566,
    "h": 266.9
  },
  "luminance": 0.26375
}

Semantic roles & 50–950 ramp

primary

#6388ED

secondary

#EDE0BF

accent

#A30ADC

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6388ED

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

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