#2B4073#2B4073

#2B4073 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.1% C 0.091 H 265.5°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX#2B4073
RGBrgb(43, 64, 115)
HSLhsl(223, 46%, 31%)
HSVhsv(223, 63%, 45%)
CMYKcmyk(62.6%, 44.3%, 0%, 54.9%)
CIE-LABlab(27.89, 9.04, -31.91)
CIE-LCHlch(27.89, 33.17, 285.81°)
OKLaboklab(38.15% -0.0072 -0.0908)
OKLCHoklch(38.15% 0.091 265.5)
XYZxyz(5.9231, 5.4177, 16.9499)
Luminance0.0542 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B4073 #735E2B
analogous
#2B6473 #2B4073 #3A2B73
triadic
#2B4073 #732B40 #40732B
tetradic
#2B4073 #732B64 #735E2B #2B733A
square
#2B4073 #732B64 #735E2B #2B733A
split-complementary
#2B4073 #733A2B #64732B
monochromatic
#0A0E1A #1A2746 #2B4073 #3C59A0 #5876C1

Accessibility & contrast

On white

10.08
#2B4073 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.08
#2B4073 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4073
10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B4073#FFFFFF#000000##FFFFFF
##2B40731.0010.082.0810.08
#FFFFFF10.081.0021.001.00
#0000002.0821.001.0021.00
##FFFFFF10.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#294575
Deuteranopia (green-blind)
#1F3F72
Tritanopia (blue-blind)
#004B54
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #2b4073;
/* rgb */ color: rgb(43, 64, 115);
/* oklch */ color: oklch(38.1% 0.091 265.5);
Tailwind
colors: {
  custom: {
    50: '#6b749b',
    500: '#2b4073',
    950: '#000000',
  },
}
SCSS
$custom: #2b4073;
$custom-light: #6b749b;
$custom-dark: #000000;
JSON
{
  "hex": "#2b4073",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 115
  },
  "hsl": {
    "h": 222.5,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38148,
    "c": 0.09113,
    "h": 265.5
  },
  "luminance": 0.05418
}

Semantic roles & 50–950 ramp

primary
#2B4073
secondary
#A58D55
accent
#AF53D5
background
#F6F7F9
surface
#ECEDF2
border
#C7C8CC
text
#07080E
muted
#7A7B7E

Preview Lab

Preview with #2B4073

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

Preview Lab → · Contrast checker → · Palette generator →

#2B4073 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva