#4284C7#4284C7

#4284C7 is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.1% C 0.123 H 250.9°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4284C7
RGB	rgb(66, 132, 199)
HSL	hsl(210, 54%, 52%)
HSV	hsv(210, 67%, 78%)
CMYK	cmyk(66.8%, 33.7%, 0%, 22%)
CIE-LAB	lab(53.80, 0.48, -40.97)
CIE-LCH	lch(53.80, 40.98, 270.67°)
OKLab	oklab(60.1% -0.0402 -0.1161)
OKLCH	oklch(60.1% 0.123 250.9)
XYZ	xyz(20.8030, 21.7822, 57.1298)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284C7 #C78542

analogous

#42C6C7 #4284C7 #4342C7

triadic

#4284C7 #C74284 #84C742

tetradic

#4284C7 #C742C6 #C78542 #42C743

square

#4284C7 #C742C6 #C78542 #42C743

split-complementary

#4284C7 #C74342 #C6C742

monochromatic

#21476E #2F659D #4284C7 #71A3D5 #A0C1E3

Accessibility & contrast

On white

3.92

#4284C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#4284C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284C7

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284C7	#FFFFFF	#000000	##000000
##4284C7	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6688CA

Deuteranopia (green-blind)

#547BC6

Tritanopia (blue-blind)

#00949C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4284c7;
/* rgb */ color: rgb(66, 132, 199);
/* oklch */ color: oklch(60.1% 0.123 250.9);

Tailwind

colors: {
  custom: {
    50: '#84a7d8',
    500: '#4284c7',
    950: '#000000',
  },
}

SCSS

$custom: #4284c7;
$custom-light: #84a7d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4284c7",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 199
  },
  "hsl": {
    "h": 210.226,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.60098,
    "c": 0.12289,
    "h": 250.9
  },
  "luminance": 0.21784
}

Semantic roles & 50–950 ramp

primary

#4284C7

secondary

#D0B395

accent

#944ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4284C7

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

Preview Lab → · Contrast checker → · Palette generator →