#4287C6#4287C6

#4287C6 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.7% C 0.119 H 248.5°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4287C6
RGB	rgb(66, 135, 198)
HSL	hsl(209, 54%, 52%)
HSV	hsv(209, 67%, 78%)
CMYK	cmyk(66.7%, 31.8%, 0%, 22.4%)
CIE-LAB	lab(54.62, -1.64, -39.11)
CIE-LCH	lch(54.62, 39.15, 267.61°)
OKLab	oklab(60.73% -0.0436 -0.1107)
OKLCH	oklch(60.73% 0.119 248.5)
XYZ	xyz(21.1000, 22.5612, 56.6579)
Luminance	0.2256 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4287C6 #C68142

analogous

#42C6C3 #4287C6 #4245C6

triadic

#4287C6 #C64287 #87C642

tetradic

#4287C6 #C342C6 #C68142 #45C642

square

#4287C6 #C342C6 #C68142 #45C642

split-complementary

#4287C6 #C64245 #C6C342

monochromatic

#21496D #2F689C #4287C6 #71A5D4 #A0C3E2

Accessibility & contrast

On white

3.81

#4287C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#4287C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4287C6

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4287C6	#FFFFFF	#000000	##000000
##4287C6	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8AC9

Deuteranopia (green-blind)

#597DC5

Tritanopia (blue-blind)

#00969D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4287c6;
/* rgb */ color: rgb(66, 135, 198);
/* oklch */ color: oklch(60.7% 0.119 248.5);

Tailwind

colors: {
  custom: {
    50: '#84a9d7',
    500: '#4287c6',
    950: '#000000',
  },
}

SCSS

$custom: #4287c6;
$custom-light: #84a9d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4287c6",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 198
  },
  "hsl": {
    "h": 208.636,
    "s": 53.659,
    "l": 51.765
  },
  "oklch": {
    "l": 0.60728,
    "c": 0.11892,
    "h": 248.5
  },
  "luminance": 0.22563
}

Semantic roles & 50–950 ramp

primary

#4287C6

secondary

#CFB195

accent

#914BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4287C6

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

Preview Lab → · Contrast checker → · Palette generator →