#6599CA#6599CA

#6599CA is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.6% C 0.092 H 247.9°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#6599CA
RGB	rgb(101, 153, 202)
HSL	hsl(209, 49%, 59%)
HSV	hsv(209, 50%, 79%)
CMYK	cmyk(50%, 24.3%, 0%, 20.8%)
CIE-LAB	lab(61.49, -3.65, -30.52)
CIE-LCH	lch(61.49, 30.74, 263.17°)
OKLab	oklab(66.61% -0.0346 -0.0853)
OKLCH	oklch(66.61% 0.092 247.9)
XYZ	xyz(27.4150, 29.8114, 60.1752)
Luminance	0.2981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6599CA #CA9665

analogous

#65CAC9 #6599CA #6567CA

triadic

#6599CA #CA6599 #99CA65

tetradic

#6599CA #C965CA #CA9665 #67CA65

square

#6599CA #C965CA #CA9665 #67CA65

split-complementary

#6599CA #CA6567 #CAC965

monochromatic

#2E5C86 #3E7BB4 #6599CA #93B7DA #C0D5E9

Accessibility & contrast

On white

3.02

#6599CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#6599CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6599CA

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6599CA	#FFFFFF	#000000	##000000
##6599CA	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859ACC

Deuteranopia (green-blind)

#7890C9

Tritanopia (blue-blind)

#33A4AA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #6599ca;
/* rgb */ color: rgb(101, 153, 202);
/* oklch */ color: oklch(66.6% 0.092 247.9);

Tailwind

colors: {
  custom: {
    50: '#96b6da',
    500: '#6599ca',
    950: '#000000',
  },
}

SCSS

$custom: #6599ca;
$custom-light: #96b6da;
$custom-dark: #000000;

JSON

{
  "hex": "#6599ca",
  "rgb": {
    "r": 101,
    "g": 153,
    "b": 202
  },
  "hsl": {
    "h": 209.109,
    "s": 48.792,
    "l": 59.412
  },
  "oklch": {
    "l": 0.66612,
    "c": 0.09199,
    "h": 247.9
  },
  "luminance": 0.29813
}

Semantic roles & 50–950 ramp

primary

#6599CA

secondary

#D9C5B2

accent

#924FD8

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #6599CA

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

Preview Lab → · Contrast checker → · Palette generator →