#4099D4#4099D4

#4099D4 is a light, vivid cyan. Relative luminance 0.286; OKLCH L 65.5% C 0.122 H 241.3°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#4099D4
RGB	rgb(64, 153, 212)
HSL	hsl(204, 63%, 54%)
HSV	hsv(204, 70%, 83%)
CMYK	cmyk(69.8%, 27.8%, 0%, 16.9%)
CIE-LAB	lab(60.45, -7.52, -37.85)
CIE-LCH	lch(60.45, 38.59, 258.76°)
OKLab	oklab(65.52% -0.0585 -0.1068)
OKLCH	oklch(65.52% 0.122 241.3)
XYZ	xyz(25.3847, 28.6231, 66.4616)
Luminance	0.2863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4099D4 #D47B40

analogous

#40D4C5 #4099D4 #404FD4

triadic

#4099D4 #D44099 #99D440

tetradic

#4099D4 #C540D4 #D47B40 #4FD440

square

#4099D4 #C540D4 #D47B40 #4FD440

split-complementary

#4099D4 #D4404F #D4C540

monochromatic

#1C577D #2779AF #4099D4 #72B4DF #A4CEEA

Accessibility & contrast

On white

3.12

#4099D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#4099D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4099D4

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4099D4	#FFFFFF	#000000	##000000
##4099D4	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9AD7

Deuteranopia (green-blind)

#6A8BD3

Tritanopia (blue-blind)

#00A8AD

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4099d4;
/* rgb */ color: rgb(64, 153, 212);
/* oklch */ color: oklch(65.5% 0.122 241.3);

Tailwind

colors: {
  custom: {
    50: '#86b6e1',
    500: '#4099d4',
    950: '#000000',
  },
}

SCSS

$custom: #4099d4;
$custom-light: #86b6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4099d4",
  "rgb": {
    "r": 64,
    "g": 153,
    "b": 212
  },
  "hsl": {
    "h": 203.919,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.65524,
    "c": 0.12182,
    "h": 241.3
  },
  "luminance": 0.28626
}

Semantic roles & 50–950 ramp

primary

#4099D4

secondary

#D7B298

accent

#8342E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4099D4

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

Preview Lab → · Contrast checker → · Palette generator →