#4284D3#4284D3

#4284D3 is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.8% C 0.138 H 254.4°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4284D3
RGB	rgb(66, 132, 211)
HSL	hsl(213, 62%, 54%)
HSV	hsv(213, 69%, 83%)
CMYK	cmyk(68.7%, 37.4%, 0%, 17.3%)
CIE-LAB	lab(54.41, 4.68, -46.80)
CIE-LCH	lch(54.41, 47.03, 275.71°)
OKLab	oklab(60.78% -0.0371 -0.1331)
OKLCH	oklch(60.78% 0.138 254.4)
XYZ	xyz(22.2516, 22.3616, 64.7589)
Luminance	0.2236 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284D3 #D39142

analogous

#42CCD3 #4284D3 #4942D3

triadic

#4284D3 #D34284 #84D342

tetradic

#4284D3 #D342CC #D39142 #42D349

square

#4284D3 #D342CC #D39142 #42D349

split-complementary

#4284D3 #D34942 #CCD342

monochromatic

#1D497D #2966AF #4284D3 #74A4DF #A5C5EA

Accessibility & contrast

On white

3.84

#4284D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#4284D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284D3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284D3	#FFFFFF	#000000	##000000
##4284D3	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608AD6

Deuteranopia (green-blind)

#4B7CD1

Tritanopia (blue-blind)

#0096A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4284d3;
/* rgb */ color: rgb(66, 132, 211);
/* oklch */ color: oklch(60.8% 0.138 254.4);

Tailwind

colors: {
  custom: {
    50: '#86a7e1',
    500: '#4284d3',
    950: '#000000',
  },
}

SCSS

$custom: #4284d3;
$custom-light: #86a7e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4284d3",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 211
  },
  "hsl": {
    "h": 212.69,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.60779,
    "c": 0.13823,
    "h": 254.4
  },
  "luminance": 0.22364
}

Semantic roles & 50–950 ramp

primary

#4284D3

secondary

#D7BB9A

accent

#9B42E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4284D3

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

Preview Lab → · Contrast checker → · Palette generator →