#2D81AC#2D81AC

#2D81AC is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.3% C 0.103 H 235.2°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX#2D81AC
RGBrgb(45, 129, 172)
HSLhsl(200, 59%, 43%)
HSVhsv(200, 74%, 67%)
CMYKcmyk(73.8%, 25%, 0%, 32.5%)
CIE-LABlab(50.96, -10.40, -29.99)
CIE-LCHlch(50.96, 31.74, 250.87°)
OKLaboklab(57.25% -0.0586 -0.0845)
OKLCHoklch(57.25% 0.103 235.2)
XYZxyz(16.3759, 19.2351, 41.8714)
Luminance0.1924 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2D81AC #AC582D
analogous
#2DAC97 #2D81AC #2D42AC
triadic
#2D81AC #AC2D81 #81AC2D
tetradic
#2D81AC #972DAC #AC582D #42AC2D
square
#2D81AC #972DAC #AC582D #42AC2D
split-complementary
#2D81AC #AC2D42 #AC972D
monochromatic
#14384B #205D7B #2D81AC #47A1CF #78BADC

Accessibility & contrast

On white

4.33
#2D81AC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.85
#2D81AC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D81AC
4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2D81AC#FFFFFF#000000##000000
##2D81AC1.004.334.854.85
#FFFFFF4.331.0021.0021.00
#0000004.8521.001.001.00
##0000004.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C80AE
Deuteranopia (green-blind)
#5B74AB
Tritanopia (blue-blind)
#008C90
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #2d81ac;
/* rgb */ color: rgb(45, 129, 172);
/* oklch */ color: oklch(57.3% 0.103 235.2);
Tailwind
colors: {
  custom: {
    50: '#77a5c5',
    500: '#2d81ac',
    950: '#000000',
  },
}
SCSS
$custom: #2d81ac;
$custom-light: #77a5c5;
$custom-dark: #000000;
JSON
{
  "hex": "#2d81ac",
  "rgb": {
    "r": 45,
    "g": 129,
    "b": 172
  },
  "hsl": {
    "h": 200.315,
    "s": 58.525,
    "l": 42.549
  },
  "oklch": {
    "l": 0.57254,
    "c": 0.10282,
    "h": 235.2
  },
  "luminance": 0.19237
}

Semantic roles & 50–950 ramp

primary
#2D81AC
secondary
#C48D71
accent
#7B46E2
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #2D81AC

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

Preview Lab → · Contrast checker → · Palette generator →

#2D81AC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva