#2B2590#2B2590

#2B2590 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.4% C 0.168 H 276.0°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX#2B2590
RGBrgb(43, 37, 144)
HSLhsl(243, 59%, 35%)
HSVhsv(243, 74%, 56%)
CMYKcmyk(70.1%, 74.3%, 0%, 43.5%)
CIE-LABlab(23.17, 37.62, -57.76)
CIE-LCHlch(23.17, 68.93, 303.07°)
OKLaboklab(35.38% 0.0175 -0.1669)
OKLCHoklch(35.38% 0.168 276)
XYZxyz(6.6902, 3.8497, 26.7707)
Luminance0.0385 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B2590 #8A9025
analogous
#255590 #2B2590 #602590
triadic
#2B2590 #902B25 #25902B
tetradic
#2B2590 #902555 #8A9025 #259060
square
#2B2590 #902555 #8A9025 #259060
split-complementary
#2B2590 #906025 #559025
monochromatic
#0E0C2F #1C185F #2B2590 #3A32C1 #615BD5

Accessibility & contrast

On white

11.86
#2B2590 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.77
#2B2590 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2590
11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B2590#FFFFFF#000000##FFFFFF
##2B25901.0011.861.7711.86
#FFFFFF11.861.0021.001.00
#0000001.7721.001.0021.00
##FFFFFF11.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003C93
Deuteranopia (green-blind)
#00328E
Tritanopia (blue-blind)
#004358
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #2b2590;
/* rgb */ color: rgb(43, 37, 144);
/* oklch */ color: oklch(35.4% 0.168 276.0);
Tailwind
colors: {
  custom: {
    50: '#7461b2',
    500: '#2b2590',
    950: '#000000',
  },
}
SCSS
$custom: #2b2590;
$custom-light: #7461b2;
$custom-dark: #000000;
JSON
{
  "hex": "#2b2590",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 144
  },
  "hsl": {
    "h": 243.364,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35377,
    "c": 0.16785,
    "h": 276
  },
  "luminance": 0.0385
}

Semantic roles & 50–950 ramp

primary
#2B2590
secondary
#B4B957
accent
#E245DA
background
#F7F5FB
surface
#EEEAF6
border
#C9C6D0
text
#090511
muted
#7B7980

Preview Lab

Preview with #2B2590

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

Preview Lab → · Contrast checker → · Palette generator →

#2B2590 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva