#2B3DB7#2B3DB7

#2B3DB7 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.2% C 0.191 H 269.6°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX#2B3DB7
RGBrgb(43, 61, 183)
HSLhsl(232, 62%, 44%)
HSVhsv(232, 77%, 72%)
CMYKcmyk(76.5%, 66.7%, 0%, 28.2%)
CIE-LABlab(32.41, 36.53, -66.17)
CIE-LCHlch(32.41, 75.58, 298.90°)
OKLaboklab(43.2% -0.0015 -0.1915)
OKLCHoklch(43.2% 0.191 269.6)
XYZxyz(11.2093, 7.2687, 45.6028)
Luminance0.0727 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B3DB7 #B7A52B
analogous
#2B83B7 #2B3DB7 #5F2BB7
triadic
#2B3DB7 #B72B3D #3DB72B
tetradic
#2B3DB7 #B72B83 #B7A52B #2BB75F
square
#2B3DB7 #B72B83 #B7A52B #2BB75F
split-complementary
#2B3DB7 #B75F2B #83B72B
monochromatic
#141C54 #1F2C85 #2B3DB7 #4B5CD5 #7C89E0

Accessibility & contrast

On white

8.56
#2B3DB7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#2B3DB7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DB7
8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B3DB7#FFFFFF#000000##FFFFFF
##2B3DB71.008.562.458.56
#FFFFFF8.561.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053BB
Deuteranopia (green-blind)
#0046B5
Tritanopia (blue-blind)
#005E75
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #2b3db7;
/* rgb */ color: rgb(43, 61, 183);
/* oklch */ color: oklch(43.2% 0.191 269.6);
Tailwind
colors: {
  custom: {
    50: '#7b72ce',
    500: '#2b3db7',
    950: '#000000',
  },
}
SCSS
$custom: #2b3db7;
$custom-light: #7b72ce;
$custom-dark: #000000;
JSON
{
  "hex": "#2b3db7",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 183
  },
  "hsl": {
    "h": 232.286,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43197,
    "c": 0.19149,
    "h": 269.6
  },
  "luminance": 0.0727
}

Semantic roles & 50–950 ramp

primary
#2B3DB7
secondary
#C9BE75
accent
#D043E5
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0814
muted
#7C7B82

Preview Lab

Preview with #2B3DB7

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

Preview Lab → · Contrast checker → · Palette generator →

#2B3DB7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva