#2B23AE#2B23AE

#2B23AE is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.4% C 0.207 H 273.3°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX#2B23AE
RGBrgb(43, 35, 174)
HSLhsl(243, 67%, 41%)
HSVhsv(243, 80%, 68%)
CMYKcmyk(75.3%, 79.9%, 0%, 31.8%)
CIE-LABlab(26.07, 48.52, -71.26)
CIE-LCHlch(26.07, 86.21, 304.25°)
OKLaboklab(38.39% 0.0119 -0.2062)
OKLCHoklch(38.39% 0.207 273.3)
XYZxyz(9.2347, 4.7707, 40.4703)
Luminance0.0477 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B23AE #A6AE23
analogous
#2360AE #2B23AE #7023AE
triadic
#2B23AE #AE2B23 #23AE2B
tetradic
#2B23AE #AE2360 #A6AE23 #23AE70
square
#2B23AE #AE2360 #A6AE23 #23AE70
split-complementary
#2B23AE #AE7023 #60AE23
monochromatic
#120F48 #1E197B #2B23AE #4137D7 #716AE1

Accessibility & contrast

On white

10.74
#2B23AE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#2B23AE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B23AE
10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B23AE#FFFFFF#000000##FFFFFF
##2B23AE1.0010.741.9510.74
#FFFFFF10.741.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0044B2
Deuteranopia (green-blind)
#0037AC
Tritanopia (blue-blind)
#004E69
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #2b23ae;
/* rgb */ color: rgb(43, 35, 174);
/* oklch */ color: oklch(38.4% 0.207 273.3);
Tailwind
colors: {
  custom: {
    50: '#7b61c8',
    500: '#2b23ae',
    950: '#000000',
  },
}
SCSS
$custom: #2b23ae;
$custom-light: #7b61c8;
$custom-dark: #000000;
JSON
{
  "hex": "#2b23ae",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 174
  },
  "hsl": {
    "h": 243.453,
    "s": 66.507,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38391,
    "c": 0.20652,
    "h": 273.3
  },
  "luminance": 0.04772
}

Semantic roles & 50–950 ramp

primary
#2B23AE
secondary
#C1C766
accent
#E93EE0
background
#F8F5FC
surface
#EFEAF8
border
#CAC6D1
text
#0B0513
muted
#7C7982

Preview Lab

Preview with #2B23AE

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

Preview Lab → · Contrast checker → · Palette generator →

#2B23AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva