#2864B4#2864B4

#2864B4 is a mid, vivid cyan. Relative luminance 0.129; OKLCH L 50.7% C 0.141 H 256.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#2864B4
RGB	rgb(40, 100, 180)
HSL	hsl(214, 64%, 43%)
HSV	hsv(214, 78%, 71%)
CMYK	cmyk(77.8%, 44.4%, 0%, 29.4%)
CIE-LAB	lab(42.55, 9.58, -47.95)
CIE-LCH	lch(42.55, 48.90, 281.30°)
OKLab	oklab(50.74% -0.0321 -0.1374)
OKLCH	oklch(50.74% 0.141 256.9)
XYZ	xyz(13.6674, 12.8592, 44.9329)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2864B4 #B47828

analogous

#28AAB4 #2864B4 #3228B4

triadic

#2864B4 #B42864 #64B428

tetradic

#2864B4 #B428AA #B47828 #28B432

square

#2864B4 #B428AA #B47828 #28B432

split-complementary

#2864B4 #B43228 #AAB428

monochromatic

#122C50 #1D4882 #2864B4 #4482D5 #76A4E1

Accessibility & contrast

On white

5.88

#2864B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#2864B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2864B4

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2864B4	#FFFFFF	#000000	##FFFFFF
##2864B4	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6BB7

Deuteranopia (green-blind)

#1F5FB2

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2864b4;
/* rgb */ color: rgb(40, 100, 180);
/* oklch */ color: oklch(50.7% 0.141 256.9);

Tailwind

colors: {
  custom: {
    50: '#778fcb',
    500: '#2864b4',
    950: '#000000',
  },
}

SCSS

$custom: #2864b4;
$custom-light: #778fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2864b4",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 180
  },
  "hsl": {
    "h": 214.286,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50741,
    "c": 0.1411,
    "h": 256.9
  },
  "luminance": 0.12861
}

Semantic roles & 50–950 ramp

primary

#2864B4

secondary

#C8A270

accent

#A041E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2864B4

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

Preview Lab → · Contrast checker → · Palette generator →