#4090D1#4090D1

#4090D1 is a light, vivid cyan. Relative luminance 0.256; OKLCH L 63.3% C 0.125 H 246.2°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4090D1
RGB	rgb(64, 144, 209)
HSL	hsl(207, 61%, 54%)
HSV	hsv(207, 69%, 82%)
CMYK	cmyk(69.4%, 31.1%, 0%, 18%)
CIE-LAB	lab(57.69, -3.41, -40.49)
CIE-LCH	lch(57.69, 40.64, 265.19°)
OKLab	oklab(63.3% -0.0506 -0.1146)
OKLCH	oklch(63.3% 0.125 246.2)
XYZ	xyz(23.5919, 25.6374, 64.0144)
Luminance	0.2564 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090D1 #D18140

analogous

#40D1CA #4090D1 #4047D1

triadic

#4090D1 #D14090 #90D140

tetradic

#4090D1 #CA40D1 #D18140 #47D140

square

#4090D1 #CA40D1 #D18140 #47D140

split-complementary

#4090D1 #D14047 #D1CA40

monochromatic

#1D5079 #2971AB #4090D1 #71ADDD #A3C9E9

Accessibility & contrast

On white

3.43

#4090D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#4090D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090D1

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090D1	#FFFFFF	#000000	##000000
##4090D1	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7392D4

Deuteranopia (green-blind)

#5F84D0

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4090d1;
/* rgb */ color: rgb(64, 144, 209);
/* oklch */ color: oklch(63.3% 0.125 246.2);

Tailwind

colors: {
  custom: {
    50: '#85b0df',
    500: '#4090d1',
    950: '#000000',
  },
}

SCSS

$custom: #4090d1;
$custom-light: #85b0df;
$custom-dark: #000000;

JSON

{
  "hex": "#4090d1",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 209
  },
  "hsl": {
    "h": 206.897,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.63301,
    "c": 0.1253,
    "h": 246.2
  },
  "luminance": 0.2564
}

Semantic roles & 50–950 ramp

primary

#4090D1

secondary

#D5B397

accent

#8C44E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4090D1

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

Preview Lab → · Contrast checker → · Palette generator →