#2859B9#2859B9

#2859B9 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.161 H 262.0°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#2859B9
RGB	rgb(40, 89, 185)
HSL	hsl(220, 64%, 44%)
HSV	hsv(220, 78%, 73%)
CMYK	cmyk(78.4%, 51.9%, 0%, 27.5%)
CIE-LAB	lab(39.74, 18.66, -55.40)
CIE-LCH	lch(39.74, 58.46, 288.62°)
OKLab	oklab(48.69% -0.0224 -0.1595)
OKLCH	oklch(48.69% 0.161 262)
XYZ	xyz(13.2013, 11.0971, 47.3357)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2859B9 #B98828

analogous

#28A2B9 #2859B9 #4028B9

triadic

#2859B9 #B92859 #59B928

tetradic

#2859B9 #B928A2 #B98828 #28B940

square

#2859B9 #B928A2 #B98828 #28B940

split-complementary

#2859B9 #B94028 #A2B928

monochromatic

#122954 #1D4187 #2859B9 #4778D7 #799DE2

Accessibility & contrast

On white

6.52

#2859B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#2859B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2859B9

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2859B9	#FFFFFF	#000000	##FFFFFF
##2859B9	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1865BC

Deuteranopia (green-blind)

#0057B7

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2859b9;
/* rgb */ color: rgb(40, 89, 185);
/* oklch */ color: oklch(48.7% 0.161 262.0);

Tailwind

colors: {
  custom: {
    50: '#7887cf',
    500: '#2859b9',
    950: '#000000',
  },
}

SCSS

$custom: #2859b9;
$custom-light: #7887cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2859b9",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 185
  },
  "hsl": {
    "h": 219.724,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48691,
    "c": 0.16111,
    "h": 262
  },
  "luminance": 0.11099
}

Semantic roles & 50–950 ramp

primary

#2859B9

secondary

#CAAD73

accent

#AF40E7

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2859B9

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

Preview Lab → · Contrast checker → · Palette generator →