#4283C8#4283C8

#4283C8 is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 59.9% C 0.125 H 251.9°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4283C8
RGB	rgb(66, 131, 200)
HSL	hsl(211, 55%, 52%)
HSV	hsv(211, 67%, 78%)
CMYK	cmyk(67%, 34.5%, 0%, 21.6%)
CIE-LAB	lab(53.56, 1.42, -41.92)
CIE-LCH	lch(53.56, 41.94, 271.95°)
OKLab	oklab(59.93% -0.039 -0.1189)
OKLCH	oklch(59.93% 0.125 251.9)
XYZ	xyz(20.7845, 21.5588, 57.6983)
Luminance	0.2156 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4283C8 #C88742

analogous

#42C6C8 #4283C8 #4442C8

triadic

#4283C8 #C84283 #83C842

tetradic

#4283C8 #C842C6 #C88742 #42C844

square

#4283C8 #C842C6 #C88742 #42C844

split-complementary

#4283C8 #C84442 #C6C842

monochromatic

#20476F #2E659F #4283C8 #71A2D6 #A1C1E4

Accessibility & contrast

On white

3.95

#4283C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#4283C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4283C8

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4283C8	#FFFFFF	#000000	##000000
##4283C8	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6587CB

Deuteranopia (green-blind)

#527AC7

Tritanopia (blue-blind)

#00939C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4283c8;
/* rgb */ color: rgb(66, 131, 200);
/* oklch */ color: oklch(59.9% 0.125 251.9);

Tailwind

colors: {
  custom: {
    50: '#84a6d9',
    500: '#4283c8',
    950: '#000000',
  },
}

SCSS

$custom: #4283c8;
$custom-light: #84a6d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4283c8",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 200
  },
  "hsl": {
    "h": 210.896,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.59927,
    "c": 0.12512,
    "h": 251.9
  },
  "luminance": 0.21561
}

Semantic roles & 50–950 ramp

primary

#4283C8

secondary

#D0B496

accent

#964ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4283C8

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

Preview Lab → · Contrast checker → · Palette generator →