#2859BB#2859BB

#2859BB is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.164 H 262.2°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#2859BB
RGB	rgb(40, 89, 187)
HSL	hsl(220, 65%, 45%)
HSV	hsv(220, 79%, 73%)
CMYK	cmyk(78.6%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(39.89, 19.43, -56.34)
CIE-LCH	lch(39.89, 59.60, 289.03°)
OKLab	oklab(48.84% -0.0222 -0.1623)
OKLCH	oklch(48.84% 0.164 262.2)
XYZ	xyz(13.4139, 11.1822, 48.4555)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2859BB #BB8A28

analogous

#28A3BB #2859BB #4128BB

triadic

#2859BB #BB2859 #59BB28

tetradic

#2859BB #BB28A3 #BB8A28 #28BB41

square

#2859BB #BB28A3 #BB8A28 #28BB41

split-complementary

#2859BB #BB4128 #A3BB28

monochromatic

#122956 #1D4189 #2859BB #4878D8 #7B9DE3

Accessibility & contrast

On white

6.49

#2859BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#2859BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2859BB

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2859BB	#FFFFFF	#000000	##FFFFFF
##2859BB	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1365BE

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2859bb;
/* rgb */ color: rgb(40, 89, 187);
/* oklch */ color: oklch(48.8% 0.164 262.2);

Tailwind

colors: {
  custom: {
    50: '#7987d0',
    500: '#2859bb',
    950: '#000000',
  },
}

SCSS

$custom: #2859bb;
$custom-light: #7987d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2859bb",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 220,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48844,
    "c": 0.16382,
    "h": 262.2
  },
  "luminance": 0.11184
}

Semantic roles & 50–950 ramp

primary

#2859BB

secondary

#CBAE74

accent

#B040E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2859BB

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

Preview Lab → · Contrast checker → · Palette generator →