#51A2DE#51A2DE

#51A2DE is a light, moderate cyan. Relative luminance 0.329; OKLCH L 68.7% C 0.119 H 243.2°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX#51A2DE
RGBrgb(81, 162, 222)
HSLhsl(206, 68%, 59%)
HSVhsv(206, 64%, 87%)
CMYKcmyk(63.5%, 27%, 0%, 12.9%)
CIE-LABlab(64.05, -6.53, -37.73)
CIE-LCHlch(64.05, 38.29, 260.18°)
OKLaboklab(68.68% -0.0537 -0.1062)
OKLCHoklch(68.68% 0.119 243.2)
XYZxyz(29.4935, 32.8610, 73.8816)
Luminance0.3286 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51A2DE #DE8D51
analogous
#51DED4 #51A2DE #515CDE
triadic
#51A2DE #DE51A2 #A2DE51
tetradic
#51A2DE #D451DE #DE8D51 #5CDE51
square
#51A2DE #D451DE #DE8D51 #5CDE51
split-complementary
#51A2DE #DE515C #DED451
monochromatic
#1D6398 #2785CB #51A2DE #84BDE8 #B8D9F2

Accessibility & contrast

On white

2.77
#51A2DE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.57
#51A2DE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2DE
7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51A2DE#FFFFFF#000000##000000
##51A2DE1.002.777.577.57
#FFFFFF2.771.0021.0021.00
#0000007.5721.001.001.00
##0000007.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#87A3E1
Deuteranopia (green-blind)
#7495DD
Tritanopia (blue-blind)
#00B1B7
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #51a2de;
/* rgb */ color: rgb(81, 162, 222);
/* oklch */ color: oklch(68.7% 0.119 243.2);
Tailwind
colors: {
  custom: {
    50: '#8fbde8',
    500: '#51a2de',
    950: '#000000',
  },
}
SCSS
$custom: #51a2de;
$custom-light: #8fbde8;
$custom-dark: #000000;
JSON
{
  "hex": "#51a2de",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 222
  },
  "hsl": {
    "h": 205.532,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.68675,
    "c": 0.11904,
    "h": 243.2
  },
  "luminance": 0.32864
}

Semantic roles & 50–950 ramp

primary
#51A2DE
secondary
#E1C1AA
accent
#873DEB
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #51A2DE

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

Preview Lab → · Contrast checker → · Palette generator →

#51A2DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva