#4286BB#4286BB

#4286BB is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.9% C 0.107 H 244.5°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4286BB
RGB	rgb(66, 134, 187)
HSL	hsl(206, 48%, 50%)
HSV	hsv(206, 65%, 73%)
CMYK	cmyk(64.7%, 28.3%, 0%, 26.7%)
CIE-LAB	lab(53.81, -4.81, -34.12)
CIE-LCH	lch(53.81, 34.45, 261.98°)
OKLab	oklab(59.92% -0.0458 -0.0962)
OKLCH	oklch(59.92% 0.107 244.5)
XYZ	xyz(19.7381, 21.7943, 50.1706)
Luminance	0.2180 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4286BB #BB7742

analogous

#42BBB4 #4286BB #424ABB

triadic

#4286BB #BB4286 #86BB42

tetradic

#4286BB #B442BB #BB7742 #4ABB42

square

#4286BB #B442BB #BB7742 #4ABB42

split-complementary

#4286BB #BB424A #BBB442

monochromatic

#224561 #32668E #4286BB #6EA3CC #9CC0DC

Accessibility & contrast

On white

3.92

#4286BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#4286BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4286BB

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4286BB	#FFFFFF	#000000	##000000
##4286BB	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E87BD

Deuteranopia (green-blind)

#5E7BBA

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4286bb;
/* rgb */ color: rgb(66, 134, 187);
/* oklch */ color: oklch(59.9% 0.107 244.5);

Tailwind

colors: {
  custom: {
    50: '#82a9cf',
    500: '#4286bb',
    950: '#000000',
  },
}

SCSS

$custom: #4286bb;
$custom-light: #82a9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4286bb",
  "rgb": {
    "r": 66,
    "g": 134,
    "b": 187
  },
  "hsl": {
    "h": 206.281,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.59921,
    "c": 0.10653,
    "h": 244.5
  },
  "luminance": 0.21796
}

Semantic roles & 50–950 ramp

primary

#4286BB

secondary

#C8A991

accent

#8C50D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4286BB

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

Preview Lab → · Contrast checker → · Palette generator →