#4090D0#4090D0

#4090D0 is a light, vivid cyan. Relative luminance 0.256; OKLCH L 63.2% C 0.124 H 245.8°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#4090D0
RGB	rgb(64, 144, 208)
HSL	hsl(207, 61%, 53%)
HSV	hsv(207, 69%, 82%)
CMYK	cmyk(69.2%, 30.8%, 0%, 18.4%)
CIE-LAB	lab(57.64, -3.75, -40.01)
CIE-LCH	lch(57.64, 40.18, 264.64°)
OKLab	oklab(63.25% -0.0509 -0.1132)
OKLCH	oklch(63.25% 0.124 245.8)
XYZ	xyz(23.4685, 25.5880, 63.3644)
Luminance	0.2559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090D0 #D08040

analogous

#40D0C8 #4090D0 #4048D0

triadic

#4090D0 #D04090 #90D040

tetradic

#4090D0 #C840D0 #D08040 #48D040

square

#4090D0 #C840D0 #D08040 #48D040

split-complementary

#4090D0 #D04048 #D0C840

monochromatic

#1E5078 #2A70A9 #4090D0 #71ADDC #A2C9E8

Accessibility & contrast

On white

3.43

#4090D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#4090D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090D0

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090D0	#FFFFFF	#000000	##000000
##4090D0	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7392D3

Deuteranopia (green-blind)

#5F84CF

Tritanopia (blue-blind)

#009FA7

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4090d0;
/* rgb */ color: rgb(64, 144, 208);
/* oklch */ color: oklch(63.2% 0.124 245.8);

Tailwind

colors: {
  custom: {
    50: '#85b0de',
    500: '#4090d0',
    950: '#000000',
  },
}

SCSS

$custom: #4090d0;
$custom-light: #85b0de;
$custom-dark: #000000;

JSON

{
  "hex": "#4090d0",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 208
  },
  "hsl": {
    "h": 206.667,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.63249,
    "c": 0.12412,
    "h": 245.8
  },
  "luminance": 0.25591
}

Semantic roles & 50–950 ramp

primary

#4090D0

secondary

#D5B297

accent

#8B44E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4090D0

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

Preview Lab → · Contrast checker → · Palette generator →