#2866BB#2866BB

#2866BB is a mid, vivid cyan. Relative luminance 0.135; OKLCH L 51.7% C 0.148 H 257.4°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#2866BB
RGB	rgb(40, 102, 187)
HSL	hsl(215, 65%, 45%)
HSV	hsv(215, 79%, 73%)
CMYK	cmyk(78.6%, 45.5%, 0%, 26.7%)
CIE-LAB	lab(43.57, 10.98, -50.41)
CIE-LCH	lch(43.57, 51.59, 282.29°)
OKLab	oklab(51.67% -0.0324 -0.1446)
OKLCH	oklch(51.67% 0.148 257.4)
XYZ	xyz(14.5928, 13.5400, 48.8485)
Luminance	0.1354 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2866BB #BB7D28

analogous

#28B0BB #2866BB #3428BB

triadic

#2866BB #BB2866 #66BB28

tetradic

#2866BB #BB28B0 #BB7D28 #28BB34

square

#2866BB #BB28B0 #BB7D28 #28BB34

split-complementary

#2866BB #BB3428 #B0BB28

monochromatic

#122F56 #1D4B89 #2866BB #4885D8 #7BA7E3

Accessibility & contrast

On white

5.66

#2866BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#2866BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2866BB

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2866BB	#FFFFFF	#000000	##FFFFFF
##2866BB	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396EBE

Deuteranopia (green-blind)

#1861B9

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2866bb;
/* rgb */ color: rgb(40, 102, 187);
/* oklch */ color: oklch(51.7% 0.148 257.4);

Tailwind

colors: {
  custom: {
    50: '#7891d0',
    500: '#2866bb',
    950: '#000000',
  },
}

SCSS

$custom: #2866bb;
$custom-light: #7891d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2866bb",
  "rgb": {
    "r": 40,
    "g": 102,
    "b": 187
  },
  "hsl": {
    "h": 214.694,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51667,
    "c": 0.14818,
    "h": 257.4
  },
  "luminance": 0.13542
}

Semantic roles & 50–950 ramp

primary

#2866BB

secondary

#CBA674

accent

#A140E8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2866BB

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

Preview Lab → · Contrast checker → · Palette generator →