#6399E7#6399E7

#6399E7 is a light, vivid blue. Relative luminance 0.312; OKLCH L 67.9% C 0.130 H 257.6°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#6399E7
RGB	rgb(99, 153, 231)
HSL	hsl(215, 73%, 65%)
HSV	hsv(215, 57%, 91%)
CMYK	cmyk(57.1%, 33.8%, 0%, 9.4%)
CIE-LAB	lab(62.68, 4.88, -44.80)
CIE-LCH	lch(62.68, 45.07, 276.22°)
OKLab	oklab(67.94% -0.0279 -0.1266)
OKLCH	oklch(67.94% 0.13 257.6)
XYZ	xyz(30.9556, 31.2020, 79.9771)
Luminance	0.3120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6399E7 #E7B163

analogous

#63DBE7 #6399E7 #6F63E7

triadic

#6399E7 #E76399 #99E763

tetradic

#6399E7 #E763DB #E7B163 #63E76F

square

#6399E7 #E763DB #E7B163 #63E76F

split-complementary

#6399E7 #E76F63 #DBE763

monochromatic

#1C5AB4 #2E76DF #6399E7 #98BCEF #CDDEF7

Accessibility & contrast

On white

2.90

#6399E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#6399E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6399E7

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6399E7	#FFFFFF	#000000	##000000
##6399E7	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#799EEA

Deuteranopia (green-blind)

#6892E5

Tritanopia (blue-blind)

#00ABB5

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #6399e7;
/* rgb */ color: rgb(99, 153, 231);
/* oklch */ color: oklch(67.9% 0.130 257.6);

Tailwind

colors: {
  custom: {
    50: '#99b6ef',
    500: '#6399e7',
    950: '#000000',
  },
}

SCSS

$custom: #6399e7;
$custom-light: #99b6ef;
$custom-dark: #000000;

JSON

{
  "hex": "#6399e7",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 231
  },
  "hsl": {
    "h": 215.455,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.67938,
    "c": 0.12963,
    "h": 257.6
  },
  "luminance": 0.31205
}

Semantic roles & 50–950 ramp

primary

#6399E7

secondary

#EAD7BC

accent

#8510D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #6399E7

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

Preview Lab → · Contrast checker → · Palette generator →