#6599ED#6599ED

#6599ED is a light, vivid blue. Relative luminance 0.317; OKLCH L 68.4% C 0.137 H 259.6°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#6599ED
RGB	rgb(101, 153, 237)
HSL	hsl(217, 79%, 66%)
HSV	hsv(217, 57%, 93%)
CMYK	cmyk(57.4%, 35.4%, 0%, 7.1%)
CIE-LAB	lab(63.06, 7.19, -47.50)
CIE-LCH	lch(63.06, 48.04, 278.61°)
OKLab	oklab(68.36% -0.0247 -0.1344)
OKLCH	oklch(68.36% 0.137 259.6)
XYZ	xyz(32.0388, 31.6609, 84.5271)
Luminance	0.3166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6599ED #EDB965

analogous

#65DDED #6599ED #7565ED

triadic

#6599ED #ED6599 #99ED65

tetradic

#6599ED #ED65DD #EDB965 #65ED75

square

#6599ED #ED65DD #EDB965 #65ED75

split-complementary

#6599ED #ED7565 #DDED65

monochromatic

#1758C1 #2E75E7 #6599ED #9CBDF3 #D3E2FA

Accessibility & contrast

On white

2.86

#6599ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#6599ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6599ED

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6599ED	#FFFFFF	#000000	##000000
##6599ED	1.00	2.86	7.33	7.33
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A0F0

Deuteranopia (green-blind)

#6593EB

Tritanopia (blue-blind)

#00ACB8

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #6599ed;
/* rgb */ color: rgb(101, 153, 237);
/* oklch */ color: oklch(68.4% 0.137 259.6);

Tailwind

colors: {
  custom: {
    50: '#9ab6f3',
    500: '#6599ed',
    950: '#000000',
  },
}

SCSS

$custom: #6599ed;
$custom-light: #9ab6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6599ed",
  "rgb": {
    "r": 101,
    "g": 153,
    "b": 237
  },
  "hsl": {
    "h": 217.059,
    "s": 79.07,
    "l": 66.275
  },
  "oklch": {
    "l": 0.68358,
    "c": 0.13669,
    "h": 259.6
  },
  "luminance": 0.31664
}

Semantic roles & 50–950 ramp

primary

#6599ED

secondary

#EDDCC1

accent

#8B0ADB

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6599ED

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

Preview Lab → · Contrast checker → · Palette generator →