#4284D9#4284D9

#4284D9 is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 61.1% C 0.146 H 255.8°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4284D9
RGB	rgb(66, 132, 217)
HSL	hsl(214, 67%, 55%)
HSV	hsv(214, 70%, 85%)
CMYK	cmyk(69.6%, 39.2%, 0%, 14.9%)
CIE-LAB	lab(54.73, 6.79, -49.67)
CIE-LCH	lch(54.73, 50.13, 277.79°)
OKLab	oklab(61.13% -0.0357 -0.1416)
OKLCH	oklch(61.13% 0.146 255.8)
XYZ	xyz(23.0178, 22.6681, 68.7945)
Luminance	0.2267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284D9 #D99742

analogous

#42CFD9 #4284D9 #4B42D9

triadic

#4284D9 #D94284 #84D942

tetradic

#4284D9 #D942CF #D99742 #42D94B

square

#4284D9 #D942CF #D99742 #42D94B

split-complementary

#4284D9 #D94B42 #CFD942

monochromatic

#1B4A86 #2566B9 #4284D9 #75A5E3 #A8C6ED

Accessibility & contrast

On white

3.79

#4284D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#4284D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284D9

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284D9	#FFFFFF	#000000	##000000
##4284D9	1.00	3.79	5.53	5.53
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D8BDC

Deuteranopia (green-blind)

#467DD7

Tritanopia (blue-blind)

#0098A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4284d9;
/* rgb */ color: rgb(66, 132, 217);
/* oklch */ color: oklch(61.1% 0.146 255.8);

Tailwind

colors: {
  custom: {
    50: '#87a7e5',
    500: '#4284d9',
    950: '#000000',
  },
}

SCSS

$custom: #4284d9;
$custom-light: #87a7e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4284d9",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 217
  },
  "hsl": {
    "h": 213.775,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.61132,
    "c": 0.14601,
    "h": 255.8
  },
  "luminance": 0.22671
}

Semantic roles & 50–950 ramp

primary

#4284D9

secondary

#DBBF9C

accent

#9F3EE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4284D9

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

Preview Lab → · Contrast checker → · Palette generator →