#4281C7#4281C7

#4281C7 is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.4% C 0.126 H 252.8°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#4281C7
RGB	rgb(66, 129, 199)
HSL	hsl(212, 54%, 52%)
HSV	hsv(212, 67%, 78%)
CMYK	cmyk(66.8%, 35.2%, 0%, 22%)
CIE-LAB	lab(52.93, 2.27, -42.34)
CIE-LCH	lch(52.93, 42.41, 273.07°)
OKLab	oklab(59.42% -0.0372 -0.1202)
OKLCH	oklch(59.42% 0.126 252.8)
XYZ	xyz(20.4020, 20.9802, 56.9961)
Luminance	0.2098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281C7 #C78842

analogous

#42C4C7 #4281C7 #4642C7

triadic

#4281C7 #C74281 #81C742

tetradic

#4281C7 #C742C4 #C78842 #42C746

square

#4281C7 #C742C4 #C78842 #42C746

split-complementary

#4281C7 #C74642 #C4C742

monochromatic

#21456E #2F639D #4281C7 #71A0D5 #A0C0E3

Accessibility & contrast

On white

4.04

#4281C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#4281C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281C7

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281C7	#FFFFFF	#000000	##000000
##4281C7	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6285CA

Deuteranopia (green-blind)

#4F79C6

Tritanopia (blue-blind)

#00919B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4281c7;
/* rgb */ color: rgb(66, 129, 199);
/* oklch */ color: oklch(59.4% 0.126 252.8);

Tailwind

colors: {
  custom: {
    50: '#84a5d8',
    500: '#4281c7',
    950: '#000000',
  },
}

SCSS

$custom: #4281c7;
$custom-light: #84a5d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4281c7",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 199
  },
  "hsl": {
    "h": 211.579,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59419,
    "c": 0.12579,
    "h": 252.8
  },
  "luminance": 0.20982
}

Semantic roles & 50–950 ramp

primary

#4281C7

secondary

#D0B495

accent

#984ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4281C7

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

Preview Lab → · Contrast checker → · Palette generator →