#4283D2#4283D2

#4283D2 is a mid, vivid cyan. Relative luminance 0.220; OKLCH L 60.5% C 0.138 H 254.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4283D2
RGB	rgb(66, 131, 210)
HSL	hsl(213, 62%, 54%)
HSV	hsv(213, 69%, 82%)
CMYK	cmyk(68.6%, 37.6%, 0%, 17.6%)
CIE-LAB	lab(54.07, 4.93, -46.77)
CIE-LCH	lch(54.07, 47.03, 276.01°)
OKLab	oklab(60.5% -0.0364 -0.1331)
OKLCH	oklch(60.5% 0.138 254.7)
XYZ	xyz(21.9917, 22.0417, 64.0558)
Luminance	0.2204 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4283D2 #D29142

analogous

#42CBD2 #4283D2 #4942D2

triadic

#4283D2 #D24283 #83D242

tetradic

#4283D2 #D242CB #D29142 #42D249

square

#4283D2 #D242CB #D29142 #42D249

split-complementary

#4283D2 #D24942 #CBD242

monochromatic

#1E487C #2965AD #4283D2 #73A3DE #A5C4EA

Accessibility & contrast

On white

3.88

#4283D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#4283D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4283D2

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4283D2	#FFFFFF	#000000	##000000
##4283D2	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F89D5

Deuteranopia (green-blind)

#4A7BD0

Tritanopia (blue-blind)

#0095A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4283d2;
/* rgb */ color: rgb(66, 131, 210);
/* oklch */ color: oklch(60.5% 0.138 254.7);

Tailwind

colors: {
  custom: {
    50: '#86a6e0',
    500: '#4283d2',
    950: '#000000',
  },
}

SCSS

$custom: #4283d2;
$custom-light: #86a6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4283d2",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 210
  },
  "hsl": {
    "h": 212.917,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60498,
    "c": 0.13797,
    "h": 254.7
  },
  "luminance": 0.22044
}

Semantic roles & 50–950 ramp

primary

#4283D2

secondary

#D7BB99

accent

#9C43E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4283D2

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

Preview Lab → · Contrast checker → · Palette generator →