#4284BC#4284BC

#4284BC is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.5% C 0.109 H 246.6°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#4284BC
RGB	rgb(66, 132, 188)
HSL	hsl(208, 48%, 50%)
HSV	hsv(208, 65%, 74%)
CMYK	cmyk(64.9%, 29.8%, 0%, 26.3%)
CIE-LAB	lab(53.27, -3.30, -35.54)
CIE-LCH	lch(53.27, 35.69, 264.70°)
OKLab	oklab(59.51% -0.0434 -0.1003)
OKLCH	oklch(59.51% 0.109 246.6)
XYZ	xyz(19.5717, 21.2897, 50.6451)
Luminance	0.2129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284BC #BC7A42

analogous

#42BCB7 #4284BC #4247BC

triadic

#4284BC #BC4284 #84BC42

tetradic

#4284BC #B742BC #BC7A42 #47BC42

square

#4284BC #B742BC #BC7A42 #47BC42

split-complementary

#4284BC #BC4247 #BCB742

monochromatic

#224461 #32648F #4284BC #6FA1CC #9CBFDC

Accessibility & contrast

On white

3.99

#4284BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#4284BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284BC

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284BC	#FFFFFF	#000000	##000000
##4284BC	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B86BE

Deuteranopia (green-blind)

#5B7ABB

Tritanopia (blue-blind)

#009198

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4284bc;
/* rgb */ color: rgb(66, 132, 188);
/* oklch */ color: oklch(59.5% 0.109 246.6);

Tailwind

colors: {
  custom: {
    50: '#82a7d0',
    500: '#4284bc',
    950: '#000000',
  },
}

SCSS

$custom: #4284bc;
$custom-light: #82a7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4284bc",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 188
  },
  "hsl": {
    "h": 207.541,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.59508,
    "c": 0.1093,
    "h": 246.6
  },
  "luminance": 0.21292
}

Semantic roles & 50–950 ramp

primary

#4284BC

secondary

#C9AB91

accent

#8E50D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4284BC

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

Preview Lab → · Contrast checker → · Palette generator →