#4090CC#4090CC

#4090CC is a light, moderate cyan. Relative luminance 0.254; OKLCH L 63.0% C 0.119 H 244.1°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4090CC
RGB	rgb(64, 144, 204)
HSL	hsl(206, 58%, 53%)
HSV	hsv(206, 69%, 80%)
CMYK	cmyk(68.6%, 29.4%, 0%, 20%)
CIE-LAB	lab(57.46, -5.13, -38.05)
CIE-LCH	lch(57.46, 38.39, 262.33°)
OKLab	oklab(63.04% -0.0521 -0.1075)
OKLCH	oklch(63.04% 0.119 244.1)
XYZ	xyz(22.9825, 25.3937, 60.8053)
Luminance	0.2540 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090CC #CC7C40

analogous

#40CCC2 #4090CC #404ACC

triadic

#4090CC #CC4090 #90CC40

tetradic

#4090CC #C240CC #CC7C40 #4ACC40

square

#4090CC #C240CC #CC7C40 #4ACC40

split-complementary

#4090CC #CC404A #CCC240

monochromatic

#1F4F73 #2C70A3 #4090CC #70ACD9 #A1C8E6

Accessibility & contrast

On white

3.45

#4090CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#4090CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090CC

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090CC	#FFFFFF	#000000	##000000
##4090CC	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7591CF

Deuteranopia (green-blind)

#6284CB

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4090cc;
/* rgb */ color: rgb(64, 144, 204);
/* oklch */ color: oklch(63.0% 0.119 244.1);

Tailwind

colors: {
  custom: {
    50: '#84b0dc',
    500: '#4090cc',
    950: '#000000',
  },
}

SCSS

$custom: #4090cc;
$custom-light: #84b0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4090cc",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 204
  },
  "hsl": {
    "h": 205.714,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.6304,
    "c": 0.11948,
    "h": 244.1
  },
  "luminance": 0.25396
}

Semantic roles & 50–950 ramp

primary

#4090CC

secondary

#D2B095

accent

#8947E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4090CC

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

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