#4282C0#4282C0

#4282C0 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.3% C 0.116 H 249.7°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#4282C0
RGB	rgb(66, 130, 192)
HSL	hsl(210, 50%, 51%)
HSV	hsv(210, 66%, 75%)
CMYK	cmyk(65.6%, 32.3%, 0%, 24.7%)
CIE-LAB	lab(52.87, -0.75, -38.44)
CIE-LCH	lch(52.87, 38.45, 268.88°)
OKLab	oklab(59.26% -0.0402 -0.1088)
OKLCH	oklch(59.26% 0.116 249.7)
XYZ	xyz(19.7403, 20.9273, 52.8580)
Luminance	0.2093 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282C0 #C08042

analogous

#42C0BF #4282C0 #4243C0

triadic

#4282C0 #C04282 #82C042

tetradic

#4282C0 #BF42C0 #C08042 #43C042

square

#4282C0 #BF42C0 #C08042 #43C042

split-complementary

#4282C0 #C04243 #C0BF42

monochromatic

#224466 #316394 #4282C0 #70A0CF #9EBFDF

Accessibility & contrast

On white

4.05

#4282C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#4282C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282C0

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282C0	#FFFFFF	#000000	##000000
##4282C0	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6785C3

Deuteranopia (green-blind)

#5679BF

Tritanopia (blue-blind)

#009198

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4282c0;
/* rgb */ color: rgb(66, 130, 192);
/* oklch */ color: oklch(59.3% 0.116 249.7);

Tailwind

colors: {
  custom: {
    50: '#83a6d3',
    500: '#4282c0',
    950: '#000000',
  },
}

SCSS

$custom: #4282c0;
$custom-light: #83a6d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4282c0",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 192
  },
  "hsl": {
    "h": 209.524,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.59259,
    "c": 0.11595,
    "h": 249.7
  },
  "luminance": 0.20929
}

Semantic roles & 50–950 ramp

primary

#4282C0

secondary

#CBAE93

accent

#934EDA

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4282C0

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

Preview Lab → · Contrast checker → · Palette generator →