#2864B3#2864B3

#2864B3 is a mid, vivid cyan. Relative luminance 0.128; OKLCH L 50.7% C 0.140 H 256.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#2864B3
RGB	rgb(40, 100, 179)
HSL	hsl(214, 63%, 43%)
HSV	hsv(214, 78%, 70%)
CMYK	cmyk(77.7%, 44.1%, 0%, 29.8%)
CIE-LAB	lab(42.49, 9.19, -47.47)
CIE-LCH	lch(42.49, 48.35, 280.96°)
OKLab	oklab(50.67% -0.0323 -0.136)
OKLCH	oklch(50.67% 0.14 256.7)
XYZ	xyz(13.5659, 12.8186, 44.3983)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2864B3 #B37728

analogous

#28A9B3 #2864B3 #3228B3

triadic

#2864B3 #B32864 #64B328

tetradic

#2864B3 #B328A9 #B37728 #28B332

square

#2864B3 #B328A9 #B37728 #28B332

split-complementary

#2864B3 #B33228 #A9B328

monochromatic

#122C4F #1D4881 #2864B3 #4382D5 #75A3E0

Accessibility & contrast

On white

5.89

#2864B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#2864B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2864B3

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2864B3	#FFFFFF	#000000	##FFFFFF
##2864B3	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6BB6

Deuteranopia (green-blind)

#205EB1

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2864b3;
/* rgb */ color: rgb(40, 100, 179);
/* oklch */ color: oklch(50.7% 0.140 256.7);

Tailwind

colors: {
  custom: {
    50: '#778fca',
    500: '#2864b3',
    950: '#000000',
  },
}

SCSS

$custom: #2864b3;
$custom-light: #778fca;
$custom-dark: #000000;

JSON

{
  "hex": "#2864b3",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 179
  },
  "hsl": {
    "h": 214.101,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50674,
    "c": 0.13975,
    "h": 256.7
  },
  "luminance": 0.1282
}

Semantic roles & 50–950 ramp

primary

#2864B3

secondary

#C8A16F

accent

#9F41E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2864B3

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

Preview Lab → · Contrast checker → · Palette generator →