#4284D1#4284D1

#4284D1 is a mid, vivid cyan. Relative luminance 0.223; OKLCH L 60.7% C 0.136 H 253.9°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4284D1
RGB	rgb(66, 132, 209)
HSL	hsl(212, 61%, 54%)
HSV	hsv(212, 68%, 82%)
CMYK	cmyk(68.4%, 36.8%, 0%, 18%)
CIE-LAB	lab(54.30, 3.97, -45.84)
CIE-LCH	lch(54.30, 46.01, 274.95°)
OKLab	oklab(60.66% -0.0376 -0.1303)
OKLCH	oklch(60.66% 0.136 253.9)
XYZ	xyz(22.0024, 22.2619, 63.4467)
Luminance	0.2226 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284D1 #D18F42

analogous

#42CBD1 #4284D1 #4842D1

triadic

#4284D1 #D14284 #84D142

tetradic

#4284D1 #D142CB #D18F42 #42D148

square

#4284D1 #D142CB #D18F42 #42D148

split-complementary

#4284D1 #D14842 #CBD142

monochromatic

#1E497B #2A66AC #4284D1 #73A4DD #A4C4E9

Accessibility & contrast

On white

3.85

#4284D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#4284D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284D1

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284D1	#FFFFFF	#000000	##000000
##4284D1	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6189D4

Deuteranopia (green-blind)

#4D7CCF

Tritanopia (blue-blind)

#0096A0

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4284d1;
/* rgb */ color: rgb(66, 132, 209);
/* oklch */ color: oklch(60.7% 0.136 253.9);

Tailwind

colors: {
  custom: {
    50: '#86a7df',
    500: '#4284d1',
    950: '#000000',
  },
}

SCSS

$custom: #4284d1;
$custom-light: #86a7df;
$custom-dark: #000000;

JSON

{
  "hex": "#4284d1",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 209
  },
  "hsl": {
    "h": 212.308,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.60663,
    "c": 0.13565,
    "h": 253.9
  },
  "luminance": 0.22264
}

Semantic roles & 50–950 ramp

primary

#4284D1

secondary

#D6BA99

accent

#9A44E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4284D1

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

Preview Lab → · Contrast checker → · Palette generator →