#4099C7#4099C7

#4099C7 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.9% C 0.108 H 234.6°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#4099C7
RGB	rgb(64, 153, 199)
HSL	hsl(200, 55%, 52%)
HSV	hsv(200, 68%, 78%)
CMYK	cmyk(67.8%, 23.1%, 0%, 22%)
CIE-LAB	lab(59.88, -11.89, -31.45)
CIE-LCH	lch(59.88, 33.62, 249.30°)
OKLab	oklab(64.89% -0.0628 -0.0883)
OKLCH	oklch(64.89% 0.108 234.6)
XYZ	xyz(23.8103, 27.9934, 58.1702)
Luminance	0.2800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4099C7 #C76E40

analogous

#40C7B1 #4099C7 #4056C7

triadic

#4099C7 #C74099 #99C740

tetradic

#4099C7 #B140C7 #C76E40 #56C740

square

#4099C7 #B140C7 #C76E40 #56C740

split-complementary

#4099C7 #C74056 #C7B140

monochromatic

#20536D #2E769C #4099C7 #6FB2D5 #9FCCE3

Accessibility & contrast

On white

3.18

#4099C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#4099C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4099C7

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4099C7	#FFFFFF	#000000	##000000
##4099C7	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8398C9

Deuteranopia (green-blind)

#708AC6

Tritanopia (blue-blind)

#00A5A8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4099c7;
/* rgb */ color: rgb(64, 153, 199);
/* oklch */ color: oklch(64.9% 0.108 234.6);

Tailwind

colors: {
  custom: {
    50: '#84b7d8',
    500: '#4099c7',
    950: '#000000',
  },
}

SCSS

$custom: #4099c7;
$custom-light: #84b7d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4099c7",
  "rgb": {
    "r": 64,
    "g": 153,
    "b": 199
  },
  "hsl": {
    "h": 200.444,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.6489,
    "c": 0.10842,
    "h": 234.6
  },
  "luminance": 0.27996
}

Semantic roles & 50–950 ramp

primary

#4099C7

secondary

#CFA894

accent

#7C4ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #4099C7

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

Preview Lab → · Contrast checker → · Palette generator →