#4284CA#4284CA

#4284CA is a mid, vivid cyan. Relative luminance 0.219; OKLCH L 60.3% C 0.127 H 251.9°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4284CA
RGB	rgb(66, 132, 202)
HSL	hsl(211, 56%, 53%)
HSV	hsv(211, 67%, 79%)
CMYK	cmyk(67.3%, 34.7%, 0%, 20.8%)
CIE-LAB	lab(53.95, 1.52, -42.44)
CIE-LCH	lch(53.95, 42.47, 272.06°)
OKLab	oklab(60.27% -0.0394 -0.1204)
OKLCH	oklch(60.27% 0.127 251.9)
XYZ	xyz(21.1548, 21.9229, 58.9823)
Luminance	0.2193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284CA #CA8842

analogous

#42C8CA #4284CA #4442CA

triadic

#4284CA #CA4284 #84CA42

tetradic

#4284CA #CA42C8 #CA8842 #42CA44

square

#4284CA #CA42C8 #CA8842 #42CA44

split-complementary

#4284CA #CA4442 #C8CA42

monochromatic

#204872 #2D66A2 #4284CA #72A3D7 #A2C2E5

Accessibility & contrast

On white

3.90

#4284CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#4284CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284CA

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284CA	#FFFFFF	#000000	##000000
##4284CA	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6588CD

Deuteranopia (green-blind)

#527BC9

Tritanopia (blue-blind)

#00949D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4284ca;
/* rgb */ color: rgb(66, 132, 202);
/* oklch */ color: oklch(60.3% 0.127 251.9);

Tailwind

colors: {
  custom: {
    50: '#85a7da',
    500: '#4284ca',
    950: '#000000',
  },
}

SCSS

$custom: #4284ca;
$custom-light: #85a7da;
$custom-dark: #000000;

JSON

{
  "hex": "#4284ca",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 202
  },
  "hsl": {
    "h": 210.882,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.60265,
    "c": 0.1267,
    "h": 251.9
  },
  "luminance": 0.21925
}

Semantic roles & 50–950 ramp

primary

#4284CA

secondary

#D1B596

accent

#9648DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4284CA

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

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