#4280C7#4280C7

#4280C7 is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.2% C 0.127 H 253.4°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#4280C7
RGB	rgb(66, 128, 199)
HSL	hsl(212, 54%, 52%)
HSV	hsv(212, 67%, 78%)
CMYK	cmyk(66.8%, 35.7%, 0%, 22%)
CIE-LAB	lab(52.64, 2.87, -42.80)
CIE-LCH	lch(52.64, 42.90, 273.84°)
OKLab	oklab(59.19% -0.0362 -0.1215)
OKLCH	oklch(59.19% 0.127 253.4)
XYZ	xyz(20.2710, 20.7181, 56.9524)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4280C7 #C78942

analogous

#42C3C7 #4280C7 #4742C7

triadic

#4280C7 #C74280 #80C742

tetradic

#4280C7 #C742C3 #C78942 #42C747

square

#4280C7 #C742C3 #C78942 #42C747

split-complementary

#4280C7 #C74742 #C3C742

monochromatic

#21456E #2F629D #4280C7 #71A0D5 #A0BFE3

Accessibility & contrast

On white

4.08

#4280C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#4280C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4280C7

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4280C7	#FFFFFF	#000000	##000000
##4280C7	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6184CA

Deuteranopia (green-blind)

#4E78C6

Tritanopia (blue-blind)

#00909A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4280c7;
/* rgb */ color: rgb(66, 128, 199);
/* oklch */ color: oklch(59.2% 0.127 253.4);

Tailwind

colors: {
  custom: {
    50: '#84a4d8',
    500: '#4280c7',
    950: '#000000',
  },
}

SCSS

$custom: #4280c7;
$custom-light: #84a4d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4280c7",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 199
  },
  "hsl": {
    "h": 212.03,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59193,
    "c": 0.12678,
    "h": 253.4
  },
  "luminance": 0.2072
}

Semantic roles & 50–950 ramp

primary

#4280C7

secondary

#D0B495

accent

#994ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4280C7

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

Preview Lab → · Contrast checker → · Palette generator →