#4090CA#4090CA

#4090CA is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.9% C 0.117 H 243.2°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4090CA
RGB	rgb(64, 144, 202)
HSL	hsl(205, 57%, 52%)
HSV	hsv(205, 68%, 79%)
CMYK	cmyk(68.3%, 28.7%, 0%, 20.8%)
CIE-LAB	lab(57.36, -5.81, -37.07)
CIE-LCH	lch(57.36, 37.52, 261.09°)
OKLab	oklab(62.94% -0.0528 -0.1046)
OKLCH	oklch(62.94% 0.117 243.2)
XYZ	xyz(22.7442, 25.2983, 59.5501)
Luminance	0.2530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090CA #CA7A40

analogous

#40CABF #4090CA #404BCA

triadic

#4090CA #CA4090 #90CA40

tetradic

#4090CA #BF40CA #CA7A40 #4BCA40

square

#4090CA #BF40CA #CA7A40 #4BCA40

split-complementary

#4090CA #CA404B #CABF40

monochromatic

#1F4E70 #2C70A0 #4090CA #70ACD7 #A0C8E5

Accessibility & contrast

On white

3.47

#4090CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#4090CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090CA

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090CA	#FFFFFF	#000000	##000000
##4090CA	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7691CD

Deuteranopia (green-blind)

#6384C9

Tritanopia (blue-blind)

#009EA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4090ca;
/* rgb */ color: rgb(64, 144, 202);
/* oklch */ color: oklch(62.9% 0.117 243.2);

Tailwind

colors: {
  custom: {
    50: '#84b0da',
    500: '#4090ca',
    950: '#000000',
  },
}

SCSS

$custom: #4090ca;
$custom-light: #84b0da;
$custom-dark: #000000;

JSON

{
  "hex": "#4090ca",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 202
  },
  "hsl": {
    "h": 205.217,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.62937,
    "c": 0.11719,
    "h": 243.2
  },
  "luminance": 0.25301
}

Semantic roles & 50–950 ramp

primary

#4090CA

secondary

#D1AE95

accent

#8848E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4090CA

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

Preview Lab → · Contrast checker → · Palette generator →