#2B537C#2B537C

#2B537C is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.082 H 250.8°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX#2B537C
RGBrgb(43, 83, 124)
HSLhsl(210, 49%, 33%)
HSVhsv(210, 65%, 49%)
CMYKcmyk(65.3%, 33.1%, 0%, 51.4%)
CIE-LABlab(34.30, -0.23, -27.40)
CIE-LCHlch(34.30, 27.40, 269.52°)
OKLaboklab(43.3% -0.027 -0.0774)
OKLCHoklch(43.3% 0.082 250.8)
XYZxyz(7.7263, 8.1546, 20.2317)
Luminance0.0815 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B537C #7C542B
analogous
#2B7C7C #2B537C #2B2B7C
triadic
#2B537C #7C2B53 #537C2B
tetradic
#2B537C #7C2B7C #7C542B #2B7C2B
square
#2B537C #7C2B7C #7C542B #2B7C2B
split-complementary
#2B537C #7C2B2B #7C7C2B
monochromatic
#0B1621 #1B354F #2B537C #3B71A9 #5B90C6

Accessibility & contrast

On white

7.98
#2B537C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#2B537C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B537C
7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B537C#FFFFFF#000000##FFFFFF
##2B537C1.007.982.637.98
#FFFFFF7.981.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#41557E
Deuteranopia (green-blind)
#364D7B
Tritanopia (blue-blind)
#005D62
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #2b537c;
/* rgb */ color: rgb(43, 83, 124);
/* oklch */ color: oklch(43.3% 0.082 250.8);
Tailwind
colors: {
  custom: {
    50: '#6d83a2',
    500: '#2b537c',
    950: '#000000',
  },
}
SCSS
$custom: #2b537c;
$custom-light: #6d83a2;
$custom-dark: #000000;
JSON
{
  "hex": "#2b537c",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 124
  },
  "hsl": {
    "h": 210.37,
    "s": 48.503,
    "l": 32.745
  },
  "oklch": {
    "l": 0.433,
    "c": 0.082,
    "h": 250.8
  },
  "luminance": 0.08155
}

Semantic roles & 50–950 ramp

primary
#2B537C
secondary
#AC8257
accent
#9550D8
background
#F6F7FA
surface
#ECEEF3
border
#C7C9CD
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #2B537C

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

Preview Lab → · Contrast checker → · Palette generator →

#2B537C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva