#2866B8#2866B8

#2866B8 is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.5% C 0.144 H 256.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#2866B8
RGB	rgb(40, 102, 184)
HSL	hsl(214, 64%, 44%)
HSV	hsv(214, 78%, 72%)
CMYK	cmyk(78.3%, 44.6%, 0%, 27.8%)
CIE-LAB	lab(43.38, 9.83, -48.96)
CIE-LCH	lch(43.38, 49.94, 281.36°)
OKLab	oklab(51.46% -0.033 -0.1403)
OKLCH	oklch(51.46% 0.144 256.8)
XYZ	xyz(14.2750, 13.4129, 47.1747)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2866B8 #B87A28

analogous

#28AEB8 #2866B8 #3228B8

triadic

#2866B8 #B82866 #66B828

tetradic

#2866B8 #B828AE #B87A28 #28B832

square

#2866B8 #B828AE #B87A28 #28B832

split-complementary

#2866B8 #B83228 #AEB828

monochromatic

#122E53 #1D4A86 #2866B8 #4685D7 #79A6E2

Accessibility & contrast

On white

5.70

#2866B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#2866B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2866B8

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2866B8	#FFFFFF	#000000	##FFFFFF
##2866B8	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6EBB

Deuteranopia (green-blind)

#1E60B6

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2866b8;
/* rgb */ color: rgb(40, 102, 184);
/* oklch */ color: oklch(51.5% 0.144 256.8);

Tailwind

colors: {
  custom: {
    50: '#7891ce',
    500: '#2866b8',
    950: '#000000',
  },
}

SCSS

$custom: #2866b8;
$custom-light: #7891ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2866b8",
  "rgb": {
    "r": 40,
    "g": 102,
    "b": 184
  },
  "hsl": {
    "h": 214.167,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51462,
    "c": 0.14416,
    "h": 256.8
  },
  "luminance": 0.13415
}

Semantic roles & 50–950 ramp

primary

#2866B8

secondary

#CAA472

accent

#9F41E7

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2866B8

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

Preview Lab → · Contrast checker → · Palette generator →