#4099C8#4099C8

#4099C8 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.9% C 0.109 H 235.1°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#4099C8
RGB	rgb(64, 153, 200)
HSL	hsl(201, 55%, 52%)
HSV	hsv(201, 68%, 78%)
CMYK	cmyk(68%, 23.5%, 0%, 21.6%)
CIE-LAB	lab(59.92, -11.55, -31.95)
CIE-LCH	lch(59.92, 33.97, 250.12°)
OKLab	oklab(64.94% -0.0625 -0.0898)
OKLCH	oklch(64.94% 0.109 235.1)
XYZ	xyz(23.9268, 28.0400, 58.7837)
Luminance	0.2804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4099C8 #C86F40

analogous

#40C8B3 #4099C8 #4055C8

triadic

#4099C8 #C84099 #99C840

tetradic

#4099C8 #B340C8 #C86F40 #55C840

square

#4099C8 #B340C8 #C86F40 #55C840

split-complementary

#4099C8 #C84055 #C8B340

monochromatic

#20536E #2D779D #4099C8 #70B2D6 #9FCCE3

Accessibility & contrast

On white

3.18

#4099C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#4099C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4099C8

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4099C8	#FFFFFF	#000000	##000000
##4099C8	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8298CA

Deuteranopia (green-blind)

#708AC7

Tritanopia (blue-blind)

#00A5A9

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4099c8;
/* rgb */ color: rgb(64, 153, 200);
/* oklch */ color: oklch(64.9% 0.109 235.1);

Tailwind

colors: {
  custom: {
    50: '#84b7d9',
    500: '#4099c8',
    950: '#000000',
  },
}

SCSS

$custom: #4099c8;
$custom-light: #84b7d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4099c8",
  "rgb": {
    "r": 64,
    "g": 153,
    "b": 200
  },
  "hsl": {
    "h": 200.735,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.64937,
    "c": 0.10938,
    "h": 235.1
  },
  "luminance": 0.28043
}

Semantic roles & 50–950 ramp

primary

#4099C8

secondary

#D0A994

accent

#7D49DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #4099C8

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

Preview Lab → · Contrast checker → · Palette generator →