#2864B2#2864B2

#2864B2 is a mid, vivid cyan. Relative luminance 0.128; OKLCH L 50.6% C 0.138 H 256.4°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#2864B2
RGB	rgb(40, 100, 178)
HSL	hsl(214, 63%, 43%)
HSV	hsv(214, 78%, 70%)
CMYK	cmyk(77.5%, 43.8%, 0%, 30.2%)
CIE-LAB	lab(42.43, 8.81, -46.98)
CIE-LCH	lch(42.43, 47.80, 280.62°)
OKLab	oklab(50.61% -0.0325 -0.1345)
OKLCH	oklch(50.61% 0.138 256.4)
XYZ	xyz(13.4652, 12.7782, 43.8676)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2864B2 #B27628

analogous

#28A9B2 #2864B2 #3128B2

triadic

#2864B2 #B22864 #64B228

tetradic

#2864B2 #B228A9 #B27628 #28B231

square

#2864B2 #B228A9 #B27628 #28B231

split-complementary

#2864B2 #B23128 #A9B228

monochromatic

#122C4E #1D4880 #2864B2 #4382D5 #75A3E0

Accessibility & contrast

On white

5.91

#2864B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#2864B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2864B2

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2864B2	#FFFFFF	#000000	##FFFFFF
##2864B2	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6BB5

Deuteranopia (green-blind)

#225EB0

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2864b2;
/* rgb */ color: rgb(40, 100, 178);
/* oklch */ color: oklch(50.6% 0.138 256.4);

Tailwind

colors: {
  custom: {
    50: '#768fc9',
    500: '#2864b2',
    950: '#000000',
  },
}

SCSS

$custom: #2864b2;
$custom-light: #768fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2864b2",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 178
  },
  "hsl": {
    "h": 213.913,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50606,
    "c": 0.13841,
    "h": 256.4
  },
  "luminance": 0.1278
}

Semantic roles & 50–950 ramp

primary

#2864B2

secondary

#C7A16F

accent

#9F41E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2864B2

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

Preview Lab → · Contrast checker → · Palette generator →