#2864B8#2864B8

#2864B8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.146 H 257.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2864B8
RGB	rgb(40, 100, 184)
HSL	hsl(215, 64%, 44%)
HSV	hsv(215, 78%, 72%)
CMYK	cmyk(78.3%, 45.7%, 0%, 27.8%)
CIE-LAB	lab(42.80, 11.12, -49.89)
CIE-LCH	lch(42.80, 51.11, 282.56°)
OKLab	oklab(51.02% -0.0313 -0.1431)
OKLCH	oklch(51.02% 0.146 257.7)
XYZ	xyz(14.0808, 13.0245, 47.1100)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2864B8 #B87C28

analogous

#28ACB8 #2864B8 #3428B8

triadic

#2864B8 #B82864 #64B828

tetradic

#2864B8 #B828AC #B87C28 #28B834

square

#2864B8 #B828AC #B87C28 #28B834

split-complementary

#2864B8 #B83428 #ACB828

monochromatic

#122D53 #1D4986 #2864B8 #4683D7 #79A4E2

Accessibility & contrast

On white

5.82

#2864B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2864B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2864B8

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2864B8	#FFFFFF	#000000	##FFFFFF
##2864B8	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386CBB

Deuteranopia (green-blind)

#165FB6

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2864b8;
/* rgb */ color: rgb(40, 100, 184);
/* oklch */ color: oklch(51.0% 0.146 257.7);

Tailwind

colors: {
  custom: {
    50: '#788fce',
    500: '#2864b8',
    950: '#000000',
  },
}

SCSS

$custom: #2864b8;
$custom-light: #788fce;
$custom-dark: #000000;

JSON

{
  "hex": "#2864b8",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 184
  },
  "hsl": {
    "h": 215,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51015,
    "c": 0.14649,
    "h": 257.7
  },
  "luminance": 0.13026
}

Semantic roles & 50–950 ramp

primary

#2864B8

secondary

#CAA572

accent

#A241E7

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2864B8

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

Preview Lab → · Contrast checker → · Palette generator →