#4283D6#4283D6

#4283D6 is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.7% C 0.143 H 255.7°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4283D6
RGB	rgb(66, 131, 214)
HSL	hsl(214, 64%, 55%)
HSV	hsv(214, 69%, 84%)
CMYK	cmyk(69.2%, 38.8%, 0%, 16.1%)
CIE-LAB	lab(54.28, 6.34, -48.69)
CIE-LCH	lch(54.28, 49.10, 277.41°)
OKLab	oklab(60.73% -0.0355 -0.1387)
OKLCH	oklch(60.73% 0.143 255.7)
XYZ	xyz(22.4962, 22.2435, 66.7131)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4283D6 #D69542

analogous

#42CDD6 #4283D6 #4B42D6

triadic

#4283D6 #D64283 #83D642

tetradic

#4283D6 #D642CD #D69542 #42D64B

square

#4283D6 #D642CD #D69542 #42D64B

split-complementary

#4283D6 #D64B42 #CDD642

monochromatic

#1C4982 #2765B4 #4283D6 #74A4E1 #A7C5EC

Accessibility & contrast

On white

3.85

#4283D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#4283D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4283D6

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4283D6	#FFFFFF	#000000	##000000
##4283D6	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)

#5D89D9

Deuteranopia (green-blind)

#467BD4

Tritanopia (blue-blind)

#0096A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4283d6;
/* rgb */ color: rgb(66, 131, 214);
/* oklch */ color: oklch(60.7% 0.143 255.7);

Tailwind

colors: {
  custom: {
    50: '#87a6e3',
    500: '#4283d6',
    950: '#000000',
  },
}

SCSS

$custom: #4283d6;
$custom-light: #87a6e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4283d6",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 214
  },
  "hsl": {
    "h": 213.649,
    "s": 64.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.60734,
    "c": 0.14317,
    "h": 255.7
  },
  "luminance": 0.22246
}

Semantic roles & 50–950 ramp

primary

#4283D6

secondary

#D9BE9B

accent

#9E40E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #4283D6

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

Preview Lab → · Contrast checker → · Palette generator →