#2864B5#2864B5

#2864B5 is a mid, vivid cyan. Relative luminance 0.129; OKLCH L 50.8% C 0.142 H 257.1°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#2864B5
RGB	rgb(40, 100, 181)
HSL	hsl(214, 64%, 43%)
HSV	hsv(214, 78%, 71%)
CMYK	cmyk(77.9%, 44.8%, 0%, 29%)
CIE-LAB	lab(42.61, 9.96, -48.44)
CIE-LCH	lch(42.61, 49.45, 281.62°)
OKLab	oklab(50.81% -0.0319 -0.1388)
OKLCH	oklch(50.81% 0.142 257.1)
XYZ	xyz(13.7697, 12.9000, 45.4713)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2864B5 #B57928

analogous

#28AAB5 #2864B5 #3228B5

triadic

#2864B5 #B52864 #64B528

tetradic

#2864B5 #B528AA #B57928 #28B532

square

#2864B5 #B528AA #B57928 #28B532

split-complementary

#2864B5 #B53228 #AAB528

monochromatic

#122D51 #1D4883 #2864B5 #4482D6 #77A4E1

Accessibility & contrast

On white

5.87

#2864B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#2864B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2864B5

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2864B5	#FFFFFF	#000000	##FFFFFF
##2864B5	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6BB8

Deuteranopia (green-blind)

#1D5FB3

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2864b5;
/* rgb */ color: rgb(40, 100, 181);
/* oklch */ color: oklch(50.8% 0.142 257.1);

Tailwind

colors: {
  custom: {
    50: '#778fcc',
    500: '#2864b5',
    950: '#000000',
  },
}

SCSS

$custom: #2864b5;
$custom-light: #778fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2864b5",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 181
  },
  "hsl": {
    "h": 214.468,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50809,
    "c": 0.14245,
    "h": 257.1
  },
  "luminance": 0.12902
}

Semantic roles & 50–950 ramp

primary

#2864B5

secondary

#C8A370

accent

#A041E7

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2864B5

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

Preview Lab → · Contrast checker → · Palette generator →