#2B6381#2B6381

#2B6381 is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.6% C 0.076 H 235.0°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#2B6381
RGBrgb(43, 99, 129)
HSLhsl(201, 50%, 34%)
HSVhsv(201, 67%, 51%)
CMYKcmyk(66.7%, 23.3%, 0%, 49.4%)
CIE-LABlab(39.62, -8.35, -22.17)
CIE-LCHlch(39.62, 23.69, 249.37°)
OKLaboklab(47.58% -0.0436 -0.0622)
OKLCHoklch(47.58% 0.076 235)
XYZxyz(9.4190, 11.0213, 22.3956)
Luminance0.1102 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B6381 #81492B
analogous
#2B8174 #2B6381 #2B3881
triadic
#2B6381 #812B63 #63812B
tetradic
#2B6381 #742B81 #81492B #38812B
square
#2B6381 #742B81 #81492B #38812B
split-complementary
#2B6381 #812B38 #81742B
monochromatic
#0C1D25 #1C4053 #2B6381 #3A86AF #5DA3C9

Accessibility & contrast

On white

6.55
#2B6381 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#2B6381 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B6381
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B6381#FFFFFF#000000##FFFFFF
##2B63811.006.553.206.55
#FFFFFF6.551.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#556282
Deuteranopia (green-blind)
#495A81
Tritanopia (blue-blind)
#006B6D
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #2b6381;
/* rgb */ color: rgb(43, 99, 129);
/* oklch */ color: oklch(47.6% 0.076 235.0);
Tailwind
colors: {
  custom: {
    50: '#6e8fa5',
    500: '#2b6381',
    950: '#000000',
  },
}
SCSS
$custom: #2b6381;
$custom-light: #6e8fa5;
$custom-dark: #000000;
JSON
{
  "hex": "#2b6381",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 129
  },
  "hsl": {
    "h": 200.93,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.47578,
    "c": 0.07593,
    "h": 235
  },
  "luminance": 0.11022
}

Semantic roles & 50–950 ramp

primary
#2B6381
secondary
#AF7759
accent
#7F4EDA
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080C0F
muted
#7B7D7F

Preview Lab

Preview with #2B6381

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

Preview Lab → · Contrast checker → · Palette generator →

#2B6381 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva