#4281D2#4281D2

#4281D2 is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 60.1% C 0.140 H 255.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#4281D2
RGB	rgb(66, 129, 210)
HSL	hsl(214, 62%, 54%)
HSV	hsv(214, 69%, 82%)
CMYK	cmyk(68.6%, 38.6%, 0%, 17.6%)
CIE-LAB	lab(53.50, 6.13, -47.67)
CIE-LCH	lch(53.50, 48.07, 277.33°)
OKLab	oklab(60.06% -0.0345 -0.1357)
OKLCH	oklch(60.06% 0.14 255.7)
XYZ	xyz(21.7256, 21.5096, 63.9671)
Luminance	0.2151 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281D2 #D29342

analogous

#42C9D2 #4281D2 #4B42D2

triadic

#4281D2 #D24281 #81D242

tetradic

#4281D2 #D242C9 #D29342 #42D24B

square

#4281D2 #D242C9 #D29342 #42D24B

split-complementary

#4281D2 #D24B42 #C9D242

monochromatic

#1E477C #2963AD #4281D2 #73A2DE #A5C3EA

Accessibility & contrast

On white

3.96

#4281D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#4281D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281D2

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281D2	#FFFFFF	#000000	##000000
##4281D2	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C87D5

Deuteranopia (green-blind)

#467AD0

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4281d2;
/* rgb */ color: rgb(66, 129, 210);
/* oklch */ color: oklch(60.1% 0.140 255.7);

Tailwind

colors: {
  custom: {
    50: '#86a5e0',
    500: '#4281d2',
    950: '#000000',
  },
}

SCSS

$custom: #4281d2;
$custom-light: #86a5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4281d2",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 210
  },
  "hsl": {
    "h": 213.75,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60055,
    "c": 0.14007,
    "h": 255.7
  },
  "luminance": 0.21512
}

Semantic roles & 50–950 ramp

primary

#4281D2

secondary

#D7BC99

accent

#9E43E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4281D2

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

Preview Lab → · Contrast checker → · Palette generator →