#4281D4#4281D4

#4281D4 is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 60.2% C 0.143 H 256.2°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4281D4
RGB	rgb(66, 129, 212)
HSL	hsl(214, 63%, 55%)
HSV	hsv(214, 69%, 83%)
CMYK	cmyk(68.9%, 39.2%, 0%, 16.9%)
CIE-LAB	lab(53.61, 6.84, -48.63)
CIE-LCH	lch(53.61, 49.11, 278.01°)
OKLab	oklab(60.17% -0.034 -0.1386)
OKLCH	oklch(60.17% 0.143 256.2)
XYZ	xyz(21.9764, 21.6099, 65.2875)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281D4 #D49542

analogous

#42CAD4 #4281D4 #4C42D4

triadic

#4281D4 #D44281 #81D442

tetradic

#4281D4 #D442CA #D49542 #42D44C

square

#4281D4 #D442CA #D49542 #42D44C

split-complementary

#4281D4 #D44C42 #CAD442

monochromatic

#1D477F #2863B1 #4281D4 #74A2DF #A6C3EB

Accessibility & contrast

On white

3.95

#4281D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#4281D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281D4

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281D4	#FFFFFF	#000000	##000000
##4281D4	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B87D7

Deuteranopia (green-blind)

#457AD2

Tritanopia (blue-blind)

#0094A0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4281d4;
/* rgb */ color: rgb(66, 129, 212);
/* oklch */ color: oklch(60.2% 0.143 256.2);

Tailwind

colors: {
  custom: {
    50: '#86a5e1',
    500: '#4281d4',
    950: '#000000',
  },
}

SCSS

$custom: #4281d4;
$custom-light: #86a5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4281d4",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 212
  },
  "hsl": {
    "h": 214.11,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.60174,
    "c": 0.14269,
    "h": 256.2
  },
  "luminance": 0.21612
}

Semantic roles & 50–950 ramp

primary

#4281D4

secondary

#D8BD9A

accent

#9F42E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4281D4

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

Preview Lab → · Contrast checker → · Palette generator →