#4284AC#4284AC

#4284AC is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.7% C 0.091 H 237.7°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#4284AC
RGB	rgb(66, 132, 172)
HSL	hsl(203, 45%, 47%)
HSV	hsv(203, 62%, 67%)
CMYK	cmyk(61.6%, 23.3%, 0%, 32.5%)
CIE-LAB	lab(52.55, -8.66, -27.47)
CIE-LCH	lch(52.55, 28.80, 252.51°)
OKLab	oklab(58.71% -0.0487 -0.077)
OKLCH	oklch(58.71% 0.091 237.7)
XYZ	xyz(17.9416, 20.6376, 42.0597)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284AC #AC6A42

analogous

#42AC9F #4284AC #424FAC

triadic

#4284AC #AC4284 #84AC42

tetradic

#4284AC #9F42AC #AC6A42 #4FAC42

square

#4284AC #9F42AC #AC6A42 #4FAC42

split-complementary

#4284AC #AC424F #AC9F42

monochromatic

#204054 #316280 #4284AC #67A1C5 #93BCD6

Accessibility & contrast

On white

4.10

#4284AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#4284AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284AC

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284AC	#FFFFFF	#000000	##000000
##4284AC	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7183AE

Deuteranopia (green-blind)

#6379AB

Tritanopia (blue-blind)

#008E91

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4284ac;
/* rgb */ color: rgb(66, 132, 172);
/* oklch */ color: oklch(58.7% 0.091 237.7);

Tailwind

colors: {
  custom: {
    50: '#80a7c5',
    500: '#4284ac',
    950: '#000000',
  },
}

SCSS

$custom: #4284ac;
$custom-light: #80a7c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4284ac",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 172
  },
  "hsl": {
    "h": 202.642,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.58707,
    "c": 0.09108,
    "h": 237.7
  },
  "luminance": 0.20639
}

Semantic roles & 50–950 ramp

primary

#4284AC

secondary

#C19E89

accent

#8454D4

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #4284AC

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

Preview Lab → · Contrast checker → · Palette generator →