#2828A5#2828A5

#2828A5 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.192 H 272.4°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX#2828A5
RGBrgb(40, 40, 165)
HSLhsl(240, 61%, 40%)
HSVhsv(240, 76%, 65%)
CMYKcmyk(75.8%, 75.8%, 0%, 35.3%)
CIE-LABlab(25.82, 42.68, -66.26)
CIE-LCHlch(25.82, 78.82, 302.78°)
OKLaboklab(37.87% 0.0081 -0.1918)
OKLCHoklch(37.87% 0.192 272.4)
XYZxyz(8.4231, 4.6844, 36.0503)
Luminance0.0469 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2828A5 #A5A528
analogous
#2866A5 #2828A5 #6628A5
triadic
#2828A5 #A52828 #28A528
tetradic
#2828A5 #A52866 #A5A528 #28A566
square
#2828A5 #A52866 #A5A528 #28A566
split-complementary
#2828A5 #A56628 #66A528
monochromatic
#101042 #1C1C74 #2828A5 #3B3BCF #6C6CDB

Accessibility & contrast

On white

10.84
#2828A5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#2828A5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828A5
10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2828A5#FFFFFF#000000##FFFFFF
##2828A51.0010.841.9410.84
#FFFFFF10.841.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0043A9
Deuteranopia (green-blind)
#0037A3
Tritanopia (blue-blind)
#004D65
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #2828a5;
/* rgb */ color: rgb(40, 40, 165);
/* oklch */ color: oklch(37.9% 0.192 272.4);
Tailwind
colors: {
  custom: {
    50: '#7764c1',
    500: '#2828a5',
    950: '#000000',
  },
}
SCSS
$custom: #2828a5;
$custom-light: #7764c1;
$custom-dark: #000000;
JSON
{
  "hex": "#2828a5",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 165
  },
  "hsl": {
    "h": 240,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37868,
    "c": 0.19195,
    "h": 272.4
  },
  "luminance": 0.04685
}

Semantic roles & 50–950 ramp

primary
#2828A5
secondary
#C2C267
accent
#E444E4
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0A0512
muted
#7C7A81

Preview Lab

Preview with #2828A5

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

Preview Lab → · Contrast checker → · Palette generator →

#2828A5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva