#4282D4#4282D4

#4282D4 is a mid, vivid cyan. Relative luminance 0.219; OKLCH L 60.4% C 0.142 H 255.7°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4282D4
RGB	rgb(66, 130, 212)
HSL	hsl(214, 63%, 55%)
HSV	hsv(214, 69%, 83%)
CMYK	cmyk(68.9%, 38.7%, 0%, 16.9%)
CIE-LAB	lab(53.89, 6.23, -48.18)
CIE-LCH	lch(53.89, 48.58, 277.37°)
OKLab	oklab(60.4% -0.035 -0.1372)
OKLCH	oklch(60.4% 0.142 255.7)
XYZ	xyz(22.1087, 21.8747, 65.3317)
Luminance	0.2188 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282D4 #D49442

analogous

#42CBD4 #4282D4 #4B42D4

triadic

#4282D4 #D44282 #82D442

tetradic

#4282D4 #D442CB #D49442 #42D44B

square

#4282D4 #D442CB #D49442 #42D44B

split-complementary

#4282D4 #D44B42 #CBD442

monochromatic

#1D487F #2864B1 #4282D4 #74A3DF #A6C4EB

Accessibility & contrast

On white

3.91

#4282D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#4282D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282D4

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282D4	#FFFFFF	#000000	##000000
##4282D4	1.00	3.91	5.38	5.38
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D88D7

Deuteranopia (green-blind)

#467BD2

Tritanopia (blue-blind)

#0095A1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4282d4;
/* rgb */ color: rgb(66, 130, 212);
/* oklch */ color: oklch(60.4% 0.142 255.7);

Tailwind

colors: {
  custom: {
    50: '#86a5e1',
    500: '#4282d4',
    950: '#000000',
  },
}

SCSS

$custom: #4282d4;
$custom-light: #86a5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4282d4",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 212
  },
  "hsl": {
    "h": 213.699,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.60395,
    "c": 0.14162,
    "h": 255.7
  },
  "luminance": 0.21877
}

Semantic roles & 50–950 ramp

primary

#4282D4

secondary

#D8BD9A

accent

#9E42E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4282D4

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

Preview Lab → · Contrast checker → · Palette generator →