#4282D3#4282D3

#4282D3 is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.3% C 0.140 H 255.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4282D3
RGB	rgb(66, 130, 211)
HSL	hsl(214, 62%, 54%)
HSV	hsv(214, 69%, 83%)
CMYK	cmyk(68.7%, 38.4%, 0%, 17.3%)
CIE-LAB	lab(53.84, 5.88, -47.70)
CIE-LCH	lch(53.84, 48.06, 277.03°)
OKLab	oklab(60.34% -0.0352 -0.1358)
OKLCH	oklch(60.34% 0.14 255.5)
XYZ	xyz(21.9830, 21.8244, 64.6694)
Luminance	0.2183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282D3 #D39342

analogous

#42CBD3 #4282D3 #4B42D3

triadic

#4282D3 #D34282 #82D342

tetradic

#4282D3 #D342CB #D39342 #42D34B

square

#4282D3 #D342CB #D39342 #42D34B

split-complementary

#4282D3 #D34B42 #CBD342

monochromatic

#1D487D #2964AF #4282D3 #74A3DF #A5C4EA

Accessibility & contrast

On white

3.91

#4282D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#4282D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282D3

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282D3	#FFFFFF	#000000	##000000
##4282D3	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D88D6

Deuteranopia (green-blind)

#477AD1

Tritanopia (blue-blind)

#0095A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4282d3;
/* rgb */ color: rgb(66, 130, 211);
/* oklch */ color: oklch(60.3% 0.140 255.5);

Tailwind

colors: {
  custom: {
    50: '#86a5e1',
    500: '#4282d3',
    950: '#000000',
  },
}

SCSS

$custom: #4282d3;
$custom-light: #86a5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4282d3",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 211
  },
  "hsl": {
    "h": 213.517,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.60335,
    "c": 0.14032,
    "h": 255.5
  },
  "luminance": 0.21827
}

Semantic roles & 50–950 ramp

primary

#4282D3

secondary

#D7BC9A

accent

#9D42E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4282D3

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

Preview Lab → · Contrast checker → · Palette generator →