#51A0E2#51A0E2

#51A0E2 is a light, vivid cyan. Relative luminance 0.324; OKLCH L 68.4% C 0.125 H 246.2°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX#51A0E2
RGBrgb(81, 160, 226)
HSLhsl(207, 71%, 60%)
HSVhsv(207, 64%, 89%)
CMYKcmyk(64.2%, 29.2%, 0%, 11.4%)
CIE-LABlab(63.65, -4.10, -40.56)
CIE-LCHlch(63.65, 40.76, 264.23°)
OKLaboklab(68.42% -0.0504 -0.1144)
OKLCHoklch(68.42% 0.125 246.2)
XYZxyz(29.6865, 32.3789, 76.6220)
Luminance0.3238 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51A0E2 #E29351
analogous
#51E2DB #51A0E2 #5158E2
triadic
#51A0E2 #E251A0 #A0E251
tetradic
#51A0E2 #DB51E2 #E29351 #58E251
square
#51A0E2 #DB51E2 #E29351 #58E251
split-complementary
#51A0E2 #E25158 #E2DB51
monochromatic
#1A629E #2383D3 #51A0E2 #85BDEB #BAD9F3

Accessibility & contrast

On white

2.81
#51A0E2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.48
#51A0E2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A0E2
7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51A0E2#FFFFFF#000000##000000
##51A0E21.002.817.487.48
#FFFFFF2.811.0021.0021.00
#0000007.4821.001.001.00
##0000007.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#83A2E5
Deuteranopia (green-blind)
#6F94E1
Tritanopia (blue-blind)
#00B0B7
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #51a0e2;
/* rgb */ color: rgb(81, 160, 226);
/* oklch */ color: oklch(68.4% 0.125 246.2);
Tailwind
colors: {
  custom: {
    50: '#8fbbeb',
    500: '#51a0e2',
    950: '#000000',
  },
}
SCSS
$custom: #51a0e2;
$custom-light: #8fbbeb;
$custom-dark: #000000;
JSON
{
  "hex": "#51a0e2",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 226
  },
  "hsl": {
    "h": 207.31,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.68423,
    "c": 0.12506,
    "h": 246.2
  },
  "luminance": 0.32382
}

Semantic roles & 50–950 ramp

primary
#51A0E2
secondary
#E3C5AC
accent
#6A12D3
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #51A0E2

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

Preview Lab → · Contrast checker → · Palette generator →

#51A0E2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva