#4282D1#4282D1

#4282D1 is a mid, vivid cyan. Relative luminance 0.217; OKLCH L 60.2% C 0.138 H 255.0°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4282D1
RGB	rgb(66, 130, 209)
HSL	hsl(213, 61%, 54%)
HSV	hsv(213, 68%, 82%)
CMYK	cmyk(68.4%, 37.8%, 0%, 18%)
CIE-LAB	lab(53.73, 5.18, -46.74)
CIE-LCH	lch(53.73, 47.03, 276.32°)
OKLab	oklab(60.22% -0.0357 -0.133)
OKLCH	oklch(60.22% 0.138 255)
XYZ	xyz(21.7338, 21.7247, 63.3571)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282D1 #D19142

analogous

#42CAD1 #4282D1 #4A42D1

triadic

#4282D1 #D14282 #82D142

tetradic

#4282D1 #D142CA #D19142 #42D14A

square

#4282D1 #D142CA #D19142 #42D14A

split-complementary

#4282D1 #D14A42 #CAD142

monochromatic

#1E477B #2A64AC #4282D1 #73A3DD #A4C3E9

Accessibility & contrast

On white

3.93

#4282D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#4282D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282D1

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282D1	#FFFFFF	#000000	##000000
##4282D1	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E88D4

Deuteranopia (green-blind)

#497ACF

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4282d1;
/* rgb */ color: rgb(66, 130, 209);
/* oklch */ color: oklch(60.2% 0.138 255.0);

Tailwind

colors: {
  custom: {
    50: '#86a5df',
    500: '#4282d1',
    950: '#000000',
  },
}

SCSS

$custom: #4282d1;
$custom-light: #86a5df;
$custom-dark: #000000;

JSON

{
  "hex": "#4282d1",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 209
  },
  "hsl": {
    "h": 213.147,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.60218,
    "c": 0.13772,
    "h": 255
  },
  "luminance": 0.21727
}

Semantic roles & 50–950 ramp

primary

#4282D1

secondary

#D6BB99

accent

#9C44E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4282D1

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

Preview Lab → · Contrast checker → · Palette generator →