#4284D7#4284D7

#4284D7 is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 61.0% C 0.143 H 255.4°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4284D7
RGB	rgb(66, 132, 215)
HSL	hsl(213, 65%, 55%)
HSV	hsv(213, 69%, 84%)
CMYK	cmyk(69.3%, 38.6%, 0%, 15.7%)
CIE-LAB	lab(54.62, 6.09, -48.72)
CIE-LCH	lch(54.62, 49.10, 277.12°)
OKLab	oklab(61.01% -0.0362 -0.1388)
OKLCH	oklch(61.01% 0.143 255.4)
XYZ	xyz(22.7593, 22.5647, 67.4328)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284D7 #D79542

analogous

#42CFD7 #4284D7 #4A42D7

triadic

#4284D7 #D74284 #84D742

tetradic

#4284D7 #D742CF #D79542 #42D74A

square

#4284D7 #D742CF #D79542 #42D74A

split-complementary

#4284D7 #D74A42 #CFD742

monochromatic

#1C4983 #2666B5 #4284D7 #75A5E2 #A7C6EC

Accessibility & contrast

On white

3.81

#4284D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#4284D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284D7

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284D7	#FFFFFF	#000000	##000000
##4284D7	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E8ADA

Deuteranopia (green-blind)

#477CD5

Tritanopia (blue-blind)

#0097A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4284d7;
/* rgb */ color: rgb(66, 132, 215);
/* oklch */ color: oklch(61.0% 0.143 255.4);

Tailwind

colors: {
  custom: {
    50: '#87a7e4',
    500: '#4284d7',
    950: '#000000',
  },
}

SCSS

$custom: #4284d7;
$custom-light: #87a7e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4284d7",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 215
  },
  "hsl": {
    "h": 213.423,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.61013,
    "c": 0.14341,
    "h": 255.4
  },
  "luminance": 0.22567
}

Semantic roles & 50–950 ramp

primary

#4284D7

secondary

#DABE9B

accent

#9E40E8

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F15

muted

#7D7F84

Preview Lab

Preview with #4284D7

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

Preview Lab → · Contrast checker → · Palette generator →