#2B556B#2B556B

#2B556B is a dark, muted cyan. Relative luminance 0.081; OKLCH L 42.9% C 0.059 H 233.3°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#2B556B
RGBrgb(43, 85, 107)
HSLhsl(201, 43%, 29%)
HSVhsv(201, 60%, 42%)
CMYKcmyk(59.8%, 20.6%, 0%, 58%)
CIE-LABlab(34.13, -7.53, -17.09)
CIE-LCHlch(34.13, 18.68, 246.23°)
OKLaboklab(42.9% -0.0355 -0.0477)
OKLCHoklch(42.9% 0.059 233.3)
XYZxyz(6.8976, 8.0715, 15.1015)
Luminance0.0807 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B556B #6B412B
analogous
#2B6B61 #2B556B #2B356B
triadic
#2B556B #6B2B55 #556B2B
tetradic
#2B556B #612B6B #6B412B #356B2B
square
#2B556B #612B6B #6B412B #356B2B
split-complementary
#2B556B #6B2B35 #6B612B
monochromatic
#091116 #19323F #2B556B #3D7897 #5698BB

Accessibility & contrast

On white

8.03
#2B556B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#2B556B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B556B
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B556B#FFFFFF#000000##FFFFFF
##2B556B1.008.032.618.03
#FFFFFF8.031.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A546C
Deuteranopia (green-blind)
#414D6B
Tritanopia (blue-blind)
#005B5C
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #2b556b;
/* rgb */ color: rgb(43, 85, 107);
/* oklch */ color: oklch(42.9% 0.059 233.3);
Tailwind
colors: {
  custom: {
    50: '#6a8495',
    500: '#2b556b',
    950: '#000000',
  },
}
SCSS
$custom: #2b556b;
$custom-light: #6a8495;
$custom-dark: #000000;
JSON
{
  "hex": "#2b556b",
  "rgb": {
    "r": 43,
    "g": 85,
    "b": 107
  },
  "hsl": {
    "h": 200.625,
    "s": 42.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.42897,
    "c": 0.05943,
    "h": 233.3
  },
  "luminance": 0.08072
}

Semantic roles & 50–950 ramp

primary
#2B556B
secondary
#9D6E55
accent
#8055D2
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#070B0D
muted
#7A7C7E

Preview Lab

Preview with #2B556B

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

Preview Lab → · Contrast checker → · Palette generator →

#2B556B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva