#4282BB#4282BB

#4282BB is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 59.0% C 0.110 H 247.7°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#4282BB
RGB	rgb(66, 130, 187)
HSL	hsl(208, 48%, 50%)
HSV	hsv(208, 65%, 73%)
CMYK	cmyk(64.7%, 30.5%, 0%, 26.7%)
CIE-LAB	lab(52.63, -2.47, -35.96)
CIE-LCH	lch(52.63, 36.05, 266.08°)
OKLab	oklab(58.99% -0.0416 -0.1015)
OKLCH	oklch(58.99% 0.11 247.7)
XYZ	xyz(19.1957, 20.7095, 49.9898)
Luminance	0.2071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282BB #BB7B42

analogous

#42BBB7 #4282BB #4246BB

triadic

#4282BB #BB4282 #82BB42

tetradic

#4282BB #B742BB #BB7B42 #46BB42

square

#4282BB #B742BB #BB7B42 #46BB42

split-complementary

#4282BB #BB4246 #BBB742

monochromatic

#224361 #32638E #4282BB #6EA0CC #9CBEDC

Accessibility & contrast

On white

4.08

#4282BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#4282BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282BB

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282BB	#FFFFFF	#000000	##000000
##4282BB	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BD

Deuteranopia (green-blind)

#5978BA

Tritanopia (blue-blind)

#009096

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4282bb;
/* rgb */ color: rgb(66, 130, 187);
/* oklch */ color: oklch(59.0% 0.110 247.7);

Tailwind

colors: {
  custom: {
    50: '#82a6cf',
    500: '#4282bb',
    950: '#000000',
  },
}

SCSS

$custom: #4282bb;
$custom-light: #82a6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4282bb",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 187
  },
  "hsl": {
    "h": 208.264,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58992,
    "c": 0.10975,
    "h": 247.7
  },
  "luminance": 0.20711
}

Semantic roles & 50–950 ramp

primary

#4282BB

secondary

#C8AB91

accent

#9050D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #4282BB

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

Preview Lab → · Contrast checker → · Palette generator →