#4284C3#4284C3

#4284C3 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.9% C 0.118 H 249.5°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4284C3
RGB	rgb(66, 132, 195)
HSL	hsl(209, 52%, 51%)
HSV	hsv(209, 66%, 76%)
CMYK	cmyk(66.2%, 32.3%, 0%, 23.5%)
CIE-LAB	lab(53.60, -0.90, -39.01)
CIE-LCH	lch(53.60, 39.02, 268.68°)
OKLab	oklab(59.88% -0.0414 -0.1104)
OKLCH	oklch(59.88% 0.118 249.5)
XYZ	xyz(20.3447, 21.5988, 54.7160)
Luminance	0.2160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284C3 #C38142

analogous

#42C3C1 #4284C3 #4243C3

triadic

#4284C3 #C34284 #84C342

tetradic

#4284C3 #C142C3 #C38142 #43C342

square

#4284C3 #C142C3 #C38142 #43C342

split-complementary

#4284C3 #C34243 #C3C142

monochromatic

#214669 #306598 #4284C3 #70A2D2 #9FC0E0

Accessibility & contrast

On white

3.95

#4284C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#4284C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284C3

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284C3	#FFFFFF	#000000	##000000
##4284C3	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)

#6887C6

Deuteranopia (green-blind)

#577AC2

Tritanopia (blue-blind)

#00939B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4284c3;
/* rgb */ color: rgb(66, 132, 195);
/* oklch */ color: oklch(59.9% 0.118 249.5);

Tailwind

colors: {
  custom: {
    50: '#83a7d5',
    500: '#4284c3',
    950: '#000000',
  },
}

SCSS

$custom: #4284c3;
$custom-light: #83a7d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4284c3",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 195
  },
  "hsl": {
    "h": 209.302,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5988,
    "c": 0.11788,
    "h": 249.5
  },
  "luminance": 0.21601
}

Semantic roles & 50–950 ramp

primary

#4284C3

secondary

#CDB094

accent

#924DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4284C3

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

Preview Lab → · Contrast checker → · Palette generator →