#4099C6#4099C6

#4099C6 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.8% C 0.107 H 234.0°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#4099C6
RGB	rgb(64, 153, 198)
HSL	hsl(200, 54%, 51%)
HSV	hsv(200, 68%, 78%)
CMYK	cmyk(67.7%, 22.7%, 0%, 22.4%)
CIE-LAB	lab(59.84, -12.22, -30.96)
CIE-LCH	lch(59.84, 33.28, 248.46°)
OKLab	oklab(64.84% -0.0632 -0.0869)
OKLCH	oklch(64.84% 0.107 234)
XYZ	xyz(23.6946, 27.9471, 57.5607)
Luminance	0.2795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4099C6 #C66D40

analogous

#40C6B0 #4099C6 #4056C6

triadic

#4099C6 #C64099 #99C640

tetradic

#4099C6 #B040C6 #C66D40 #56C640

square

#4099C6 #B040C6 #C66D40 #56C640

split-complementary

#4099C6 #C64056 #C6B040

monochromatic

#20526C #2E769B #4099C6 #6FB2D4 #9ECBE2

Accessibility & contrast

On white

3.19

#4099C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#4099C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4099C6

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4099C6	#FFFFFF	#000000	##000000
##4099C6	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8398C8

Deuteranopia (green-blind)

#718AC5

Tritanopia (blue-blind)

#00A5A8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4099c6;
/* rgb */ color: rgb(64, 153, 198);
/* oklch */ color: oklch(64.8% 0.107 234.0);

Tailwind

colors: {
  custom: {
    50: '#84b7d7',
    500: '#4099c6',
    950: '#000000',
  },
}

SCSS

$custom: #4099c6;
$custom-light: #84b7d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4099c6",
  "rgb": {
    "r": 64,
    "g": 153,
    "b": 198
  },
  "hsl": {
    "h": 200.149,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.64843,
    "c": 0.10746,
    "h": 234
  },
  "luminance": 0.2795
}

Semantic roles & 50–950 ramp

primary

#4099C6

secondary

#CEA793

accent

#7C4ADD

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #4099C6

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

Preview Lab → · Contrast checker → · Palette generator →