#2B537F#2B537F

#2B537F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.5% C 0.086 H 252.4°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#2B537F
RGBrgb(43, 83, 127)
HSLhsl(211, 49%, 33%)
HSVhsv(211, 66%, 50%)
CMYKcmyk(66.1%, 34.6%, 0%, 50.2%)
CIE-LABlab(34.46, 0.88, -29.00)
CIE-LCHlch(34.46, 29.02, 271.73°)
OKLaboklab(43.48% -0.0261 -0.0821)
OKLCHoklch(43.48% 0.086 252.4)
XYZxyz(7.9189, 8.2316, 21.2461)
Luminance0.0823 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B537F #7F572B
analogous
#2B7D7F #2B537F #2D2B7F
triadic
#2B537F #7F2B53 #537F2B
tetradic
#2B537F #7F2B7D #7F572B #2B7F2D
square
#2B537F #7F2B7D #7F572B #2B7F2D
split-complementary
#2B537F #7F2D2B #7D7F2B
monochromatic
#0C1724 #1C3551 #2B537F #3A71AD #5C90C8

Accessibility & contrast

On white

7.94
#2B537F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#2B537F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B537F
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B537F#FFFFFF#000000##FFFFFF
##2B537F1.007.942.657.94
#FFFFFF7.941.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405581
Deuteranopia (green-blind)
#344D7E
Tritanopia (blue-blind)
#005D63
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #2b537f;
/* rgb */ color: rgb(43, 83, 127);
/* oklch */ color: oklch(43.5% 0.086 252.4);
Tailwind
colors: {
  custom: {
    50: '#6d83a4',
    500: '#2b537f',
    950: '#000000',
  },
}
SCSS
$custom: #2b537f;
$custom-light: #6d83a4;
$custom-dark: #000000;
JSON
{
  "hex": "#2b537f",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 127
  },
  "hsl": {
    "h": 211.429,
    "s": 49.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.43476,
    "c": 0.08614,
    "h": 252.4
  },
  "luminance": 0.08232
}

Semantic roles & 50–950 ramp

primary
#2B537F
secondary
#AE8558
accent
#974FD9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#080A0F
muted
#7B7C7F

Preview Lab

Preview with #2B537F

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

Preview Lab → · Contrast checker → · Palette generator →

#2B537F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva