#4284DA#4284DA

#4284DA is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 61.2% C 0.147 H 256.1°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4284DA
RGB	rgb(66, 132, 218)
HSL	hsl(214, 67%, 56%)
HSV	hsv(214, 70%, 85%)
CMYK	cmyk(69.7%, 39.4%, 0%, 14.5%)
CIE-LAB	lab(54.78, 7.15, -50.15)
CIE-LCH	lch(54.78, 50.65, 278.11°)
OKLab	oklab(61.19% -0.0355 -0.143)
OKLCH	oklch(61.19% 0.147 256.1)
XYZ	xyz(23.1483, 22.7203, 69.4816)
Luminance	0.2272 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284DA #DA9842

analogous

#42D0DA #4284DA #4C42DA

triadic

#4284DA #DA4284 #84DA42

tetradic

#4284DA #DA42D0 #DA9842 #42DA4C

square

#4284DA #DA42D0 #DA9842 #42DA4C

split-complementary

#4284DA #DA4C42 #D0DA42

monochromatic

#1A4A87 #2466BA #4284DA #75A5E4 #A8C7EE

Accessibility & contrast

On white

3.79

#4284DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#4284DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284DA

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284DA	#FFFFFF	#000000	##000000
##4284DA	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8BDD

Deuteranopia (green-blind)

#457DD8

Tritanopia (blue-blind)

#0098A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4284da;
/* rgb */ color: rgb(66, 132, 218);
/* oklch */ color: oklch(61.2% 0.147 256.1);

Tailwind

colors: {
  custom: {
    50: '#87a7e6',
    500: '#4284da',
    950: '#000000',
  },
}

SCSS

$custom: #4284da;
$custom-light: #87a7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4284da",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 218
  },
  "hsl": {
    "h": 213.947,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.61192,
    "c": 0.1473,
    "h": 256.1
  },
  "luminance": 0.22723
}

Semantic roles & 50–950 ramp

primary

#4284DA

secondary

#DBC09C

accent

#9F3EEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4284DA

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

Preview Lab → · Contrast checker → · Palette generator →