#4284B9#4284B9

#4284B9 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.4% C 0.106 H 245.2°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#4284B9
RGB	rgb(66, 132, 185)
HSL	hsl(207, 47%, 49%)
HSV	hsv(207, 64%, 73%)
CMYK	cmyk(64.3%, 28.6%, 0%, 27.5%)
CIE-LAB	lab(53.13, -4.32, -34.04)
CIE-LCH	lch(53.13, 34.31, 262.77°)
OKLab	oklab(59.35% -0.0444 -0.0959)
OKLCH	oklch(59.35% 0.106 245.2)
XYZ	xyz(19.2517, 21.1616, 48.9596)
Luminance	0.2116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284B9 #B97742

analogous

#42B9B3 #4284B9 #4249B9

triadic

#4284B9 #B94284 #84B942

tetradic

#4284B9 #B342B9 #B97742 #49B942

square

#4284B9 #B342B9 #B97742 #49B942

split-complementary

#4284B9 #B94249 #B9B342

monochromatic

#22445F #32648C #4284B9 #6DA1CB #9ABEDB

Accessibility & contrast

On white

4.01

#4284B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#4284B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284B9

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284B9	#FFFFFF	#000000	##000000
##4284B9	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D85BB

Deuteranopia (green-blind)

#5C7AB8

Tritanopia (blue-blind)

#009196

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4284b9;
/* rgb */ color: rgb(66, 132, 185);
/* oklch */ color: oklch(59.4% 0.106 245.2);

Tailwind

colors: {
  custom: {
    50: '#82a7ce',
    500: '#4284b9',
    950: '#000000',
  },
}

SCSS

$custom: #4284b9;
$custom-light: #82a7ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4284b9",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 185
  },
  "hsl": {
    "h": 206.723,
    "s": 47.41,
    "l": 49.216
  },
  "oklch": {
    "l": 0.59352,
    "c": 0.10571,
    "h": 245.2
  },
  "luminance": 0.21164
}

Semantic roles & 50–950 ramp

primary

#4284B9

secondary

#C7A890

accent

#8D51D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4284B9

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

Preview Lab → · Contrast checker → · Palette generator →