#2B3CB7#2B3CB7

#2B3CB7 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.193 H 269.7°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX#2B3CB7
RGBrgb(43, 60, 183)
HSLhsl(233, 62%, 44%)
HSVhsv(233, 77%, 72%)
CMYKcmyk(76.5%, 67.2%, 0%, 28.2%)
CIE-LABlab(32.18, 37.16, -66.56)
CIE-LCHlch(32.18, 76.23, 299.18°)
OKLaboklab(43.03% -0.0009 -0.1926)
OKLCHoklch(43.03% 0.193 269.7)
XYZxyz(11.1564, 7.1630, 45.5852)
Luminance0.0716 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B3CB7 #B7A62B
analogous
#2B82B7 #2B3CB7 #602BB7
triadic
#2B3CB7 #B72B3C #3CB72B
tetradic
#2B3CB7 #B72B82 #B7A62B #2BB760
square
#2B3CB7 #B72B82 #B7A62B #2BB760
split-complementary
#2B3CB7 #B7602B #82B72B
monochromatic
#141C54 #1F2C85 #2B3CB7 #4B5BD5 #7C88E0

Accessibility & contrast

On white

8.63
#2B3CB7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.43
#2B3CB7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CB7
8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B3CB7#FFFFFF#000000##FFFFFF
##2B3CB71.008.632.438.63
#FFFFFF8.631.0021.001.00
#0000002.4321.001.0021.00
##FFFFFF8.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052BB
Deuteranopia (green-blind)
#0045B5
Tritanopia (blue-blind)
#005D74
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #2b3cb7;
/* rgb */ color: rgb(43, 60, 183);
/* oklch */ color: oklch(43.0% 0.193 269.7);
Tailwind
colors: {
  custom: {
    50: '#7b72ce',
    500: '#2b3cb7',
    950: '#000000',
  },
}
SCSS
$custom: #2b3cb7;
$custom-light: #7b72ce;
$custom-dark: #000000;
JSON
{
  "hex": "#2b3cb7",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 183
  },
  "hsl": {
    "h": 232.714,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43025,
    "c": 0.19261,
    "h": 269.7
  },
  "luminance": 0.07164
}

Semantic roles & 50–950 ramp

primary
#2B3CB7
secondary
#C9BE75
accent
#D143E5
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0814
muted
#7C7B82

Preview Lab

Preview with #2B3CB7

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

Preview Lab → · Contrast checker → · Palette generator →

#2B3CB7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva