#2866C3#2866C3

#2866C3 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.2% C 0.159 H 258.7°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#2866C3
RGB	rgb(40, 102, 195)
HSL	hsl(216, 66%, 46%)
HSV	hsv(216, 79%, 76%)
CMYK	cmyk(79.5%, 47.7%, 0%, 23.5%)
CIE-LAB	lab(44.08, 14.06, -54.22)
CIE-LCH	lch(44.08, 56.02, 284.53°)
OKLab	oklab(52.23% -0.031 -0.1558)
OKLCH	oklch(52.23% 0.159 258.7)
XYZ	xyz(15.4732, 13.8921, 53.4851)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2866C3 #C38528

analogous

#28B3C3 #2866C3 #3728C3

triadic

#2866C3 #C32866 #66C328

tetradic

#2866C3 #C328B3 #C38528 #28C337

square

#2866C3 #C328B3 #C38528 #28C337

split-complementary

#2866C3 #C33728 #B3C328

monochromatic

#13315D #1E4B90 #2866C3 #4E86DB #80A9E5

Accessibility & contrast

On white

5.56

#2866C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#2866C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2866C3

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2866C3	#FFFFFF	#000000	##FFFFFF
##2866C3	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3170C6

Deuteranopia (green-blind)

#0062C1

Tritanopia (blue-blind)

#007C8B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #2866c3;
/* rgb */ color: rgb(40, 102, 195);
/* oklch */ color: oklch(52.2% 0.159 258.7);

Tailwind

colors: {
  custom: {
    50: '#7a91d6',
    500: '#2866c3',
    950: '#000000',
  },
}

SCSS

$custom: #2866c3;
$custom-light: #7a91d6;
$custom-dark: #000000;

JSON

{
  "hex": "#2866c3",
  "rgb": {
    "r": 40,
    "g": 102,
    "b": 195
  },
  "hsl": {
    "h": 216,
    "s": 65.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52226,
    "c": 0.15888,
    "h": 258.7
  },
  "luminance": 0.13894
}

Semantic roles & 50–950 ramp

primary

#2866C3

secondary

#CEAC79

accent

#A53FE9

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #2866C3

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

Preview Lab → · Contrast checker → · Palette generator →