#6399EA#6399EA

#6399EA is a light, vivid blue. Relative luminance 0.314; OKLCH L 68.1% C 0.134 H 258.3°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#6399EA
RGB	rgb(99, 153, 234)
HSL	hsl(216, 76%, 65%)
HSV	hsv(216, 58%, 92%)
CMYK	cmyk(57.7%, 34.6%, 0%, 8.2%)
CIE-LAB	lab(62.82, 5.84, -46.23)
CIE-LCH	lch(62.82, 46.60, 277.20°)
OKLab	oklab(68.1% -0.0271 -0.1308)
OKLCH	oklch(68.1% 0.134 258.3)
XYZ	xyz(31.3829, 31.3730, 82.2277)
Luminance	0.3138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6399EA #EAB463

analogous

#63DCEA #6399EA #7063EA

triadic

#6399EA #EA6399 #99EA63

tetradic

#6399EA #EA63DC #EAB463 #63EA70

square

#6399EA #EA63DC #EAB463 #63EA70

split-complementary

#6399EA #EA7063 #DCEA63

monochromatic

#1959BA #2D76E3 #6399EA #99BCF1 #CFE0F9

Accessibility & contrast

On white

2.89

#6399EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#6399EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6399EA

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6399EA	#FFFFFF	#000000	##000000
##6399EA	1.00	2.89	7.28	7.28
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#779FED

Deuteranopia (green-blind)

#6692E8

Tritanopia (blue-blind)

#00ABB7

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #6399ea;
/* rgb */ color: rgb(99, 153, 234);
/* oklch */ color: oklch(68.1% 0.134 258.3);

Tailwind

colors: {
  custom: {
    50: '#99b6f1',
    500: '#6399ea',
    950: '#000000',
  },
}

SCSS

$custom: #6399ea;
$custom-light: #99b6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#6399ea",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 234
  },
  "hsl": {
    "h": 216,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.68097,
    "c": 0.13355,
    "h": 258.3
  },
  "luminance": 0.31376
}

Semantic roles & 50–950 ramp

primary

#6399EA

secondary

#EBD9BE

accent

#870DD8

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #6399EA

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

Preview Lab → · Contrast checker → · Palette generator →