#4284B2#4284B2

#4284B2 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.0% C 0.098 H 241.5°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4284B2
RGB	rgb(66, 132, 178)
HSL	hsl(205, 46%, 48%)
HSV	hsv(205, 63%, 70%)
CMYK	cmyk(62.9%, 25.8%, 0%, 30.2%)
CIE-LAB	lab(52.81, -6.67, -30.52)
CIE-LCH	lch(52.81, 31.24, 257.67°)
OKLab	oklab(59% -0.0466 -0.0858)
OKLCH	oklch(59% 0.098 241.5)
XYZ	xyz(18.5309, 20.8733, 45.1632)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284B2 #B27042

analogous

#42B2A8 #4284B2 #424CB2

triadic

#4284B2 #B24284 #84B242

tetradic

#4284B2 #A842B2 #B27042 #4CB242

square

#4284B2 #A842B2 #B27042 #4CB242

split-complementary

#4284B2 #B2424C #B2A842

monochromatic

#214259 #316385 #4284B2 #6AA1C8 #96BDD8

Accessibility & contrast

On white

4.06

#4284B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#4284B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284B2

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284B2	#FFFFFF	#000000	##000000
##4284B2	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F84B4

Deuteranopia (green-blind)

#6079B1

Tritanopia (blue-blind)

#008F94

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4284b2;
/* rgb */ color: rgb(66, 132, 178);
/* oklch */ color: oklch(59.0% 0.098 241.5);

Tailwind

colors: {
  custom: {
    50: '#81a7c9',
    500: '#4284b2',
    950: '#000000',
  },
}

SCSS

$custom: #4284b2;
$custom-light: #81a7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4284b2",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 178
  },
  "hsl": {
    "h": 204.643,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58999,
    "c": 0.09762,
    "h": 241.5
  },
  "luminance": 0.20875
}

Semantic roles & 50–950 ramp

primary

#4284B2

secondary

#C4A38C

accent

#8852D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4284B2

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

Preview Lab → · Contrast checker → · Palette generator →