#4280CE#4280CE

#4280CE is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.6% C 0.136 H 255.3°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#4280CE
RGB	rgb(66, 128, 206)
HSL	hsl(213, 59%, 53%)
HSV	hsv(213, 68%, 81%)
CMYK	cmyk(68%, 37.9%, 0%, 19.2%)
CIE-LAB	lab(53.00, 5.33, -46.20)
CIE-LCH	lch(53.00, 46.51, 276.58°)
OKLab	oklab(59.6% -0.0345 -0.1314)
OKLCH	oklch(59.6% 0.136 255.3)
XYZ	xyz(21.1025, 21.0506, 61.3316)
Luminance	0.2105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4280CE #CE9042

analogous

#42C6CE #4280CE #4A42CE

triadic

#4280CE #CE4280 #80CE42

tetradic

#4280CE #CE42C6 #CE9042 #42CE4A

square

#4280CE #CE42C6 #CE9042 #42CE4A

split-complementary

#4280CE #CE4A42 #C6CE42

monochromatic

#1F4677 #2B62A7 #4280CE #73A1DB #A3C1E7

Accessibility & contrast

On white

4.03

#4280CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#4280CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4280CE

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4280CE	#FFFFFF	#000000	##000000
##4280CE	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D86D1

Deuteranopia (green-blind)

#4879CC

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4280ce;
/* rgb */ color: rgb(66, 128, 206);
/* oklch */ color: oklch(59.6% 0.136 255.3);

Tailwind

colors: {
  custom: {
    50: '#85a4dd',
    500: '#4280ce',
    950: '#000000',
  },
}

SCSS

$custom: #4280ce;
$custom-light: #85a4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4280ce",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 206
  },
  "hsl": {
    "h": 213.429,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59598,
    "c": 0.13589,
    "h": 255.3
  },
  "luminance": 0.21053
}

Semantic roles & 50–950 ramp

primary

#4280CE

secondary

#D4B998

accent

#9D46E2

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4280CE

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

Preview Lab → · Contrast checker → · Palette generator →