#2866B5#2866B5

#2866B5 is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.3% C 0.140 H 256.1°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#2866B5
RGB	rgb(40, 102, 181)
HSL	hsl(214, 64%, 43%)
HSV	hsv(214, 78%, 71%)
CMYK	cmyk(77.9%, 43.6%, 0%, 29%)
CIE-LAB	lab(43.19, 8.68, -47.50)
CIE-LCH	lch(43.19, 48.29, 280.36°)
OKLab	oklab(51.26% -0.0336 -0.1361)
OKLCH	oklch(51.26% 0.14 256.1)
XYZ	xyz(13.9638, 13.2884, 45.5361)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2866B5 #B57728

analogous

#28ACB5 #2866B5 #3028B5

triadic

#2866B5 #B52866 #66B528

tetradic

#2866B5 #B528AC #B57728 #28B530

square

#2866B5 #B528AC #B57728 #28B530

split-complementary

#2866B5 #B53028 #ACB528

monochromatic

#122E51 #1D4A83 #2866B5 #4484D6 #77A5E1

Accessibility & contrast

On white

5.74

#2866B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#2866B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2866B5

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2866B5	#FFFFFF	#000000	##FFFFFF
##2866B5	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6DB8

Deuteranopia (green-blind)

#2360B3

Tritanopia (blue-blind)

#007984

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2866b5;
/* rgb */ color: rgb(40, 102, 181);
/* oklch */ color: oklch(51.3% 0.140 256.1);

Tailwind

colors: {
  custom: {
    50: '#7791cc',
    500: '#2866b5',
    950: '#000000',
  },
}

SCSS

$custom: #2866b5;
$custom-light: #7791cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2866b5",
  "rgb": {
    "r": 40,
    "g": 102,
    "b": 181
  },
  "hsl": {
    "h": 213.617,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5126,
    "c": 0.14014,
    "h": 256.1
  },
  "luminance": 0.1329
}

Semantic roles & 50–950 ramp

primary

#2866B5

secondary

#C8A270

accent

#9E41E7

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2866B5

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

Preview Lab → · Contrast checker → · Palette generator →