#3D81D2#3D81D2

#3D81D2 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.9% C 0.142 H 254.5°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX#3D81D2
RGBrgb(61, 129, 210)
HSLhsl(213, 62%, 53%)
HSVhsv(213, 71%, 82%)
CMYKcmyk(71%, 38.6%, 0%, 17.6%)
CIE-LABlab(53.32, 5.39, -47.97)
CIE-LCHlch(53.32, 48.27, 276.41°)
OKLaboklab(59.87% -0.038 -0.1367)
OKLCHoklch(59.87% 0.142 254.5)
XYZxyz(21.4033, 21.3434, 63.9520)
Luminance0.2135 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D81D2 #D28E3D
analogous
#3DCCD2 #3D81D2 #433DD2
triadic
#3D81D2 #D23D81 #81D23D
tetradic
#3D81D2 #D23DCC #D28E3D #3DD243
square
#3D81D2 #D23DCC #D28E3D #3DD243
split-complementary
#3D81D2 #D2433D #CCD23D
monochromatic
#1C4679 #2863AA #3D81D2 #6FA1DE #A0C2E9

Accessibility & contrast

On white

3.99
#3D81D2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.27
#3D81D2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D81D2
5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D81D2#FFFFFF#000000##000000
##3D81D21.003.995.275.27
#FFFFFF3.991.0021.0021.00
#0000005.2721.001.001.00
##0000005.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5C87D5
Deuteranopia (green-blind)
#4579D0
Tritanopia (blue-blind)
#00949F
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3d81d2;
/* rgb */ color: rgb(61, 129, 210);
/* oklch */ color: oklch(59.9% 0.142 254.5);
Tailwind
colors: {
  custom: {
    50: '#84a5e0',
    500: '#3d81d2',
    950: '#000000',
  },
}
SCSS
$custom: #3d81d2;
$custom-light: #84a5e0;
$custom-dark: #000000;
JSON
{
  "hex": "#3d81d2",
  "rgb": {
    "r": 61,
    "g": 129,
    "b": 210
  },
  "hsl": {
    "h": 212.617,
    "s": 62.343,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59865,
    "c": 0.14186,
    "h": 254.5
  },
  "luminance": 0.21346
}

Semantic roles & 50–950 ramp

primary
#3D81D2
secondary
#D6B895
accent
#9B42E5
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #3D81D2

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

Preview Lab → · Contrast checker → · Palette generator →

#3D81D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva