#4282CC#4282CC

#4282CC is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 59.9% C 0.131 H 253.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#4282CC
RGB	rgb(66, 130, 204)
HSL	hsl(212, 58%, 53%)
HSV	hsv(212, 68%, 80%)
CMYK	cmyk(67.6%, 36.3%, 0%, 20%)
CIE-LAB	lab(53.47, 3.42, -44.32)
CIE-LCH	lch(53.47, 44.46, 274.41°)
OKLab	oklab(59.93% -0.0369 -0.1259)
OKLCH	oklch(59.93% 0.131 253.7)
XYZ	xyz(21.1245, 21.4810, 60.1480)
Luminance	0.2148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282CC #CC8C42

analogous

#42C7CC #4282CC #4742CC

triadic

#4282CC #CC4282 #82CC42

tetradic

#4282CC #CC42C7 #CC8C42 #42CC47

square

#4282CC #CC42C7 #CC8C42 #42CC47

split-complementary

#4282CC #CC4742 #C7CC42

monochromatic

#1F4774 #2C64A4 #4282CC #72A2D9 #A2C2E6

Accessibility & contrast

On white

3.96

#4282CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#4282CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282CC

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282CC	#FFFFFF	#000000	##000000
##4282CC	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6187CF

Deuteranopia (green-blind)

#4D7ACB

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4282cc;
/* rgb */ color: rgb(66, 130, 204);
/* oklch */ color: oklch(59.9% 0.131 253.7);

Tailwind

colors: {
  custom: {
    50: '#85a5dc',
    500: '#4282cc',
    950: '#000000',
  },
}

SCSS

$custom: #4282cc;
$custom-light: #85a5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4282cc",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 204
  },
  "hsl": {
    "h": 212.174,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.59928,
    "c": 0.13123,
    "h": 253.7
  },
  "luminance": 0.21483
}

Semantic roles & 50–950 ramp

primary

#4282CC

secondary

#D3B797

accent

#9947E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4282CC

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

Preview Lab → · Contrast checker → · Palette generator →