#4280CA#4280CA

#4280CA is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.4% C 0.131 H 254.3°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4280CA
RGB	rgb(66, 128, 202)
HSL	hsl(213, 56%, 53%)
HSV	hsv(213, 67%, 79%)
CMYK	cmyk(67.3%, 36.6%, 0%, 20.8%)
CIE-LAB	lab(52.79, 3.92, -44.26)
CIE-LCH	lch(52.79, 44.43, 275.06°)
OKLab	oklab(59.37% -0.0354 -0.1258)
OKLCH	oklch(59.37% 0.131 254.3)
XYZ	xyz(20.6227, 20.8588, 58.8050)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4280CA #CA8C42

analogous

#42C4CA #4280CA #4842CA

triadic

#4280CA #CA4280 #80CA42

tetradic

#4280CA #CA42C4 #CA8C42 #42CA48

square

#4280CA #CA42C4 #CA8C42 #42CA48

split-complementary

#4280CA #CA4842 #C4CA42

monochromatic

#204572 #2D62A2 #4280CA #72A0D7 #A2C0E5

Accessibility & contrast

On white

4.06

#4280CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#4280CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4280CA

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4280CA	#FFFFFF	#000000	##000000
##4280CA	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CD

Deuteranopia (green-blind)

#4B78C9

Tritanopia (blue-blind)

#00919B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4280ca;
/* rgb */ color: rgb(66, 128, 202);
/* oklch */ color: oklch(59.4% 0.131 254.3);

Tailwind

colors: {
  custom: {
    50: '#85a4da',
    500: '#4280ca',
    950: '#000000',
  },
}

SCSS

$custom: #4280ca;
$custom-light: #85a4da;
$custom-dark: #000000;

JSON

{
  "hex": "#4280ca",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 202
  },
  "hsl": {
    "h": 212.647,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59365,
    "c": 0.13068,
    "h": 254.3
  },
  "luminance": 0.20861
}

Semantic roles & 50–950 ramp

primary

#4280CA

secondary

#D1B796

accent

#9B48DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4280CA

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

Preview Lab → · Contrast checker → · Palette generator →