#2858B9#2858B9

#2858B9 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.5% C 0.162 H 262.3°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX#2858B9
RGBrgb(40, 88, 185)
HSLhsl(220, 64%, 44%)
HSVhsv(220, 78%, 73%)
CMYKcmyk(78.4%, 52.4%, 0%, 27.5%)
CIE-LABlab(39.47, 19.32, -55.85)
CIE-LCHlch(39.47, 59.10, 289.08°)
OKLaboklab(48.48% -0.0217 -0.1609)
OKLCHoklch(48.48% 0.162 262.3)
XYZxyz(13.1186, 10.9318, 47.3082)
Luminance0.1093 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2858B9 #B98928
analogous
#28A1B9 #2858B9 #4128B9
triadic
#2858B9 #B92858 #58B928
tetradic
#2858B9 #B928A1 #B98928 #28B941
square
#2858B9 #B928A1 #B98928 #28B941
split-complementary
#2858B9 #B94128 #A1B928
monochromatic
#122854 #1D4087 #2858B9 #4777D7 #799CE2

Accessibility & contrast

On white

6.59
#2858B9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.19
#2858B9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2858B9
6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2858B9#FFFFFF#000000##FFFFFF
##2858B91.006.593.196.59
#FFFFFF6.591.0021.001.00
#0000003.1921.001.0021.00
##FFFFFF6.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1364BC
Deuteranopia (green-blind)
#0057B7
Tritanopia (blue-blind)
#007080
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #2858b9;
/* rgb */ color: rgb(40, 88, 185);
/* oklch */ color: oklch(48.5% 0.162 262.3);
Tailwind
colors: {
  custom: {
    50: '#7886cf',
    500: '#2858b9',
    950: '#000000',
  },
}
SCSS
$custom: #2858b9;
$custom-light: #7886cf;
$custom-dark: #000000;
JSON
{
  "hex": "#2858b9",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 185
  },
  "hsl": {
    "h": 220.138,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48479,
    "c": 0.16234,
    "h": 262.3
  },
  "luminance": 0.10933
}

Semantic roles & 50–950 ramp

primary
#2858B9
secondary
#CAAD73
accent
#B040E7
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0A0B14
muted
#7C7C82

Preview Lab

Preview with #2858B9

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

Preview Lab → · Contrast checker → · Palette generator →

#2858B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva