#4282D0#4282D0

#4282D0 is a mid, vivid cyan. Relative luminance 0.217; OKLCH L 60.2% C 0.136 H 254.7°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#4282D0
RGB	rgb(66, 130, 208)
HSL	hsl(213, 60%, 54%)
HSV	hsv(213, 68%, 82%)
CMYK	cmyk(68.3%, 37.5%, 0%, 18.4%)
CIE-LAB	lab(53.68, 4.82, -46.26)
CIE-LCH	lch(53.68, 46.51, 275.95°)
OKLab	oklab(60.16% -0.0359 -0.1316)
OKLCH	oklch(60.16% 0.136 254.7)
XYZ	xyz(21.6104, 21.6753, 62.7071)
Luminance	0.2168 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282D0 #D09042

analogous

#42C9D0 #4282D0 #4942D0

triadic

#4282D0 #D04282 #82D042

tetradic

#4282D0 #D042C9 #D09042 #42D049

square

#4282D0 #D042C9 #D09042 #42D049

split-complementary

#4282D0 #D04942 #C9D042

monochromatic

#1E4779 #2A64AA #4282D0 #73A2DC #A4C3E8

Accessibility & contrast

On white

3.94

#4282D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#4282D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282D0

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282D0	#FFFFFF	#000000	##000000
##4282D0	1.00	3.94	5.34	5.34
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F88D3

Deuteranopia (green-blind)

#4A7ACE

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4282d0;
/* rgb */ color: rgb(66, 130, 208);
/* oklch */ color: oklch(60.2% 0.136 254.7);

Tailwind

colors: {
  custom: {
    50: '#86a5df',
    500: '#4282d0',
    950: '#000000',
  },
}

SCSS

$custom: #4282d0;
$custom-light: #86a5df;
$custom-dark: #000000;

JSON

{
  "hex": "#4282d0",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 208
  },
  "hsl": {
    "h": 212.958,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.60159,
    "c": 0.13642,
    "h": 254.7
  },
  "luminance": 0.21678
}

Semantic roles & 50–950 ramp

primary

#4282D0

secondary

#D5BA99

accent

#9C44E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4282D0

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

Preview Lab → · Contrast checker → · Palette generator →