#4280C8#4280C8

#4280C8 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.3% C 0.128 H 253.7°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#4280C8
RGB	rgb(66, 128, 200)
HSL	hsl(212, 55%, 52%)
HSV	hsv(212, 67%, 78%)
CMYK	cmyk(67%, 36%, 0%, 21.6%)
CIE-LAB	lab(52.69, 3.22, -43.29)
CIE-LCH	lch(52.69, 43.41, 274.26°)
OKLab	oklab(59.25% -0.0359 -0.1229)
OKLCH	oklch(59.25% 0.128 253.7)
XYZ	xyz(20.3874, 20.7646, 57.5659)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4280C8 #C88A42

analogous

#42C3C8 #4280C8 #4742C8

triadic

#4280C8 #C84280 #80C842

tetradic

#4280C8 #C842C3 #C88A42 #42C847

square

#4280C8 #C842C3 #C88A42 #42C847

split-complementary

#4280C8 #C84742 #C3C842

monochromatic

#20456F #2E629F #4280C8 #71A0D6 #A1C0E4

Accessibility & contrast

On white

4.07

#4280C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#4280C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4280C8

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4280C8	#FFFFFF	#000000	##000000
##4280C8	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6085CB

Deuteranopia (green-blind)

#4D78C7

Tritanopia (blue-blind)

#00919A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4280c8;
/* rgb */ color: rgb(66, 128, 200);
/* oklch */ color: oklch(59.3% 0.128 253.7);

Tailwind

colors: {
  custom: {
    50: '#84a4d9',
    500: '#4280c8',
    950: '#000000',
  },
}

SCSS

$custom: #4280c8;
$custom-light: #84a4d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4280c8",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 200
  },
  "hsl": {
    "h": 212.239,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.5925,
    "c": 0.12808,
    "h": 253.7
  },
  "luminance": 0.20767
}

Semantic roles & 50–950 ramp

primary

#4280C8

secondary

#D0B596

accent

#994ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4280C8

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

Preview Lab → · Contrast checker → · Palette generator →