#4090CD#4090CD

#4090CD is a light, vivid cyan. Relative luminance 0.254; OKLCH L 63.1% C 0.121 H 244.5°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4090CD
RGB	rgb(64, 144, 205)
HSL	hsl(206, 59%, 53%)
HSV	hsv(206, 69%, 80%)
CMYK	cmyk(68.8%, 29.8%, 0%, 19.6%)
CIE-LAB	lab(57.50, -4.78, -38.54)
CIE-LCH	lch(57.50, 38.83, 262.93°)
OKLab	oklab(63.09% -0.0518 -0.1089)
OKLCH	oklch(63.09% 0.121 244.5)
XYZ	xyz(23.1029, 25.4418, 61.4390)
Luminance	0.2544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090CD #CD7D40

analogous

#40CDC3 #4090CD #404ACD

triadic

#4090CD #CD4090 #90CD40

tetradic

#4090CD #C340CD #CD7D40 #4ACD40

square

#4090CD #C340CD #CD7D40 #4ACD40

split-complementary

#4090CD #CD404A #CDC340

monochromatic

#1E4F74 #2B70A5 #4090CD #71ACDA #A1C8E6

Accessibility & contrast

On white

3.45

#4090CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#4090CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090CD

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090CD	#FFFFFF	#000000	##000000
##4090CD	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7592D0

Deuteranopia (green-blind)

#6184CC

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4090cd;
/* rgb */ color: rgb(64, 144, 205);
/* oklch */ color: oklch(63.1% 0.121 244.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4090cd",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 205
  },
  "hsl": {
    "h": 205.957,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.63092,
    "c": 0.12063,
    "h": 244.5
  },
  "luminance": 0.25444
}

Semantic roles & 50–950 ramp

primary

#4090CD

secondary

#D3B096

accent

#8946E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4090CD

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

Preview Lab → · Contrast checker → · Palette generator →