#4090C8#4090C8

#4090C8 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.115 H 242.3°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4090C8
RGB	rgb(64, 144, 200)
HSL	hsl(205, 55%, 52%)
HSV	hsv(205, 68%, 78%)
CMYK	cmyk(68%, 28%, 0%, 21.6%)
CIE-LAB	lab(57.27, -6.49, -36.08)
CIE-LCH	lch(57.27, 36.66, 259.80°)
OKLab	oklab(62.83% -0.0534 -0.1018)
OKLCH	oklch(62.83% 0.115 242.3)
XYZ	xyz(22.5090, 25.2042, 58.3110)
Luminance	0.2521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090C8 #C87840

analogous

#40C8BC #4090C8 #404CC8

triadic

#4090C8 #C84090 #90C840

tetradic

#4090C8 #BC40C8 #C87840 #4CC840

square

#4090C8 #BC40C8 #C87840 #4CC840

split-complementary

#4090C8 #C8404C #C8BC40

monochromatic

#204E6E #2D6F9D #4090C8 #70ACD6 #9FC7E3

Accessibility & contrast

On white

3.48

#4090C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#4090C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090C8

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090C8	#FFFFFF	#000000	##000000
##4090C8	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7791CB

Deuteranopia (green-blind)

#6484C7

Tritanopia (blue-blind)

#009EA3

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4090c8;
/* rgb */ color: rgb(64, 144, 200);
/* oklch */ color: oklch(62.8% 0.115 242.3);

Tailwind

colors: {
  custom: {
    50: '#84b0d9',
    500: '#4090c8',
    950: '#000000',
  },
}

SCSS

$custom: #4090c8;
$custom-light: #84b0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4090c8",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 200
  },
  "hsl": {
    "h": 204.706,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.62835,
    "c": 0.11494,
    "h": 242.3
  },
  "luminance": 0.25207
}

Semantic roles & 50–950 ramp

primary

#4090C8

secondary

#D0AD94

accent

#8749DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4090C8

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

Preview Lab → · Contrast checker → · Palette generator →