#2864B9#2864B9

#2864B9 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.148 H 257.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#2864B9
RGB	rgb(40, 100, 185)
HSL	hsl(215, 64%, 44%)
HSV	hsv(215, 78%, 73%)
CMYK	cmyk(78.4%, 45.9%, 0%, 27.5%)
CIE-LAB	lab(42.86, 11.50, -50.37)
CIE-LCH	lch(42.86, 51.67, 282.86°)
OKLab	oklab(51.08% -0.0311 -0.1445)
OKLCH	oklch(51.08% 0.148 257.8)
XYZ	xyz(14.1860, 13.0666, 47.6640)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2864B9 #B97D28

analogous

#28ADB9 #2864B9 #3428B9

triadic

#2864B9 #B92864 #64B928

tetradic

#2864B9 #B928AD #B97D28 #28B934

square

#2864B9 #B928AD #B97D28 #28B934

split-complementary

#2864B9 #B93428 #ADB928

monochromatic

#122E54 #1D4987 #2864B9 #4783D7 #79A5E2

Accessibility & contrast

On white

5.81

#2864B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2864B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2864B9

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2864B9	#FFFFFF	#000000	##FFFFFF
##2864B9	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376CBC

Deuteranopia (green-blind)

#145FB7

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2864b9;
/* rgb */ color: rgb(40, 100, 185);
/* oklch */ color: oklch(51.1% 0.148 257.8);

Tailwind

colors: {
  custom: {
    50: '#788fce',
    500: '#2864b9',
    950: '#000000',
  },
}

SCSS

$custom: #2864b9;
$custom-light: #788fce;
$custom-dark: #000000;

JSON

{
  "hex": "#2864b9",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 185
  },
  "hsl": {
    "h": 215.172,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51084,
    "c": 0.14784,
    "h": 257.8
  },
  "luminance": 0.13068
}

Semantic roles & 50–950 ramp

primary

#2864B9

secondary

#CAA673

accent

#A240E7

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2864B9

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

Preview Lab → · Contrast checker → · Palette generator →