#4287C2#4287C2

#4287C2 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.5% C 0.114 H 246.9°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4287C2
RGB	rgb(66, 135, 194)
HSL	hsl(208, 51%, 51%)
HSV	hsv(208, 66%, 76%)
CMYK	cmyk(66%, 30.4%, 0%, 23.9%)
CIE-LAB	lab(54.43, -3.01, -37.14)
CIE-LCH	lch(54.43, 37.26, 265.37°)
OKLab	oklab(60.52% -0.0447 -0.1049)
OKLCH	oklch(60.52% 0.114 246.9)
XYZ	xyz(20.6447, 22.3791, 54.2601)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4287C2 #C27D42

analogous

#42C2BD #4287C2 #4247C2

triadic

#4287C2 #C24287 #87C242

tetradic

#4287C2 #BD42C2 #C27D42 #47C242

square

#4287C2 #BD42C2 #C27D42 #47C242

split-complementary

#4287C2 #C24247 #C2BD42

monochromatic

#224868 #316796 #4287C2 #70A4D1 #9FC2E0

Accessibility & contrast

On white

3.83

#4287C2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#4287C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4287C2

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4287C2	#FFFFFF	#000000	##000000
##4287C2	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D89C5

Deuteranopia (green-blind)

#5B7DC1

Tritanopia (blue-blind)

#00959C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4287c2;
/* rgb */ color: rgb(66, 135, 194);
/* oklch */ color: oklch(60.5% 0.114 246.9);

Tailwind

colors: {
  custom: {
    50: '#83a9d4',
    500: '#4287c2',
    950: '#000000',
  },
}

SCSS

$custom: #4287c2;
$custom-light: #83a9d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4287c2",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 194
  },
  "hsl": {
    "h": 207.656,
    "s": 51.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.60516,
    "c": 0.11406,
    "h": 246.9
  },
  "luminance": 0.22381
}

Semantic roles & 50–950 ramp

primary

#4287C2

secondary

#CCAE94

accent

#8E4DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4287C2

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

Preview Lab → · Contrast checker → · Palette generator →