#4284BD#4284BD

#4284BD is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.6% C 0.111 H 247.0°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4284BD
RGB	rgb(66, 132, 189)
HSL	hsl(208, 48%, 50%)
HSV	hsv(208, 65%, 74%)
CMYK	cmyk(65.1%, 30.2%, 0%, 25.9%)
CIE-LAB	lab(53.31, -2.96, -36.04)
CIE-LCH	lch(53.31, 36.16, 265.31°)
OKLab	oklab(59.56% -0.0431 -0.1017)
OKLCH	oklch(59.56% 0.111 247)
XYZ	xyz(19.6799, 21.3329, 51.2148)
Luminance	0.2134 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284BD #BD7B42

analogous

#42BDB8 #4284BD #4247BD

triadic

#4284BD #BD4284 #84BD42

tetradic

#4284BD #B842BD #BD7B42 #47BD42

square

#4284BD #B842BD #BD7B42 #47BD42

split-complementary

#4284BD #BD4247 #BDB842

monochromatic

#224562 #326490 #4284BD #6FA2CD #9DBFDD

Accessibility & contrast

On white

3.99

#4284BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#4284BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284BD

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284BD	#FFFFFF	#000000	##000000
##4284BD	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B86BF

Deuteranopia (green-blind)

#5A7ABC

Tritanopia (blue-blind)

#009298

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4284bd;
/* rgb */ color: rgb(66, 132, 189);
/* oklch */ color: oklch(59.6% 0.111 247.0);

Tailwind

colors: {
  custom: {
    50: '#83a7d1',
    500: '#4284bd',
    950: '#000000',
  },
}

SCSS

$custom: #4284bd;
$custom-light: #83a7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4284bd",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 189
  },
  "hsl": {
    "h": 207.805,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.5956,
    "c": 0.11051,
    "h": 247
  },
  "luminance": 0.21335
}

Semantic roles & 50–950 ramp

primary

#4284BD

secondary

#C9AB92

accent

#8F50D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4284BD

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

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