#4282D9#4282D9

#4282D9 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.7% C 0.148 H 256.8°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4282D9
RGB	rgb(66, 130, 217)
HSL	hsl(215, 67%, 55%)
HSV	hsv(215, 70%, 85%)
CMYK	cmyk(69.6%, 40.1%, 0%, 14.9%)
CIE-LAB	lab(54.17, 8.00, -50.57)
CIE-LCH	lch(54.17, 51.20, 278.99°)
OKLab	oklab(60.69% -0.0339 -0.1442)
OKLCH	oklch(60.69% 0.148 256.8)
XYZ	xyz(22.7492, 22.1309, 68.7049)
Luminance	0.2213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282D9 #D99942

analogous

#42CDD9 #4282D9 #4E42D9

triadic

#4282D9 #D94282 #82D942

tetradic

#4282D9 #D942CD #D99942 #42D94E

square

#4282D9 #D942CD #D99942 #42D94E

split-complementary

#4282D9 #D94E42 #CDD942

monochromatic

#1B4886 #2564B9 #4282D9 #75A4E3 #A8C5ED

Accessibility & contrast

On white

3.87

#4282D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#4282D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282D9

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282D9	#FFFFFF	#000000	##000000
##4282D9	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A89DC

Deuteranopia (green-blind)

#427BD7

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4282d9;
/* rgb */ color: rgb(66, 130, 217);
/* oklch */ color: oklch(60.7% 0.148 256.8);

Tailwind

colors: {
  custom: {
    50: '#87a5e5',
    500: '#4282d9',
    950: '#000000',
  },
}

SCSS

$custom: #4282d9;
$custom-light: #87a5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4282d9",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 217
  },
  "hsl": {
    "h": 214.57,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60694,
    "c": 0.14815,
    "h": 256.8
  },
  "luminance": 0.22133
}

Semantic roles & 50–950 ramp

primary

#4282D9

secondary

#DBC09C

accent

#A13EE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4282D9

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

Preview Lab → · Contrast checker → · Palette generator →