#51BAD6#51BAD6

#51BAD6 is a light, moderate cyan. Relative luminance 0.417; OKLCH L 73.8% C 0.104 H 218.3°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#51BAD6
RGB	rgb(81, 186, 214)
HSL	hsl(193, 62%, 58%)
HSV	hsv(193, 62%, 84%)
CMYK	cmyk(62.1%, 13.1%, 0%, 16.1%)
CIE-LAB	lab(70.68, -21.88, -23.10)
CIE-LCH	lch(70.68, 31.82, 226.55°)
OKLab	oklab(73.85% -0.0815 -0.0642)
OKLCH	oklch(73.85% 0.104 218.3)
XYZ	xyz(33.0849, 41.7188, 69.9142)
Luminance	0.4172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BAD6 #D66D51

analogous

#51D6B0 #51BAD6 #5177D6

triadic

#51BAD6 #D651BA #BAD651

tetradic

#51BAD6 #B051D6 #D66D51 #77D651

square

#51BAD6 #B051D6 #D66D51 #77D651

split-complementary

#51BAD6 #D65177 #D6B051

monochromatic

#21758C #2D9FBD #51BAD6 #83CEE2 #B4E1ED

Accessibility & contrast

On white

2.25

#51BAD6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#51BAD6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BAD6

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BAD6	#FFFFFF	#000000	##000000
##51BAD6	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B5D8

Deuteranopia (green-blind)

#95A7D6

Tritanopia (blue-blind)

#00C4C3

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bad6;
/* rgb */ color: rgb(81, 186, 214);
/* oklch */ color: oklch(73.8% 0.104 218.3);

Tailwind

colors: {
  custom: {
    50: '#8fcfe2',
    500: '#51bad6',
    950: '#000000',
  },
}

SCSS

$custom: #51bad6;
$custom-light: #8fcfe2;
$custom-dark: #000000;

JSON

{
  "hex": "#51bad6",
  "rgb": {
    "r": 81,
    "g": 186,
    "b": 214
  },
  "hsl": {
    "h": 192.632,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.73849,
    "c": 0.10375,
    "h": 218.3
  },
  "luminance": 0.41722
}

Semantic roles & 50–950 ramp

primary

#51BAD6

secondary

#DCB2A7

accent

#6543E5

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #51BAD6

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

Preview Lab → · Contrast checker → · Palette generator →