#51BEDA#51BEDA

#51BEDA is a light, moderate cyan. Relative luminance 0.436; OKLCH L 74.9% C 0.106 H 217.6°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#51BEDA
RGB	rgb(81, 190, 218)
HSL	hsl(192, 65%, 59%)
HSV	hsv(192, 63%, 85%)
CMYK	cmyk(62.8%, 12.8%, 0%, 14.5%)
CIE-LAB	lab(71.98, -22.72, -23.29)
CIE-LCH	lch(71.98, 32.54, 225.70°)
OKLab	oklab(74.94% -0.0841 -0.0648)
OKLCH	oklch(74.94% 0.106 217.6)
XYZ	xyz(34.4565, 43.6346, 72.9225)
Luminance	0.4364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BEDA #DA6D51

analogous

#51DAB1 #51BEDA #5179DA

triadic

#51BEDA #DA51BE #BEDA51

tetradic

#51BEDA #B151DA #DA6D51 #79DA51

square

#51BEDA #B151DA #DA6D51 #79DA51

split-complementary

#51BEDA #DA5179 #DAB151

monochromatic

#1F7A92 #2AA5C4 #51BEDA #83D1E5 #B6E4EF

Accessibility & contrast

On white

2.16

#51BEDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#51BEDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BEDA

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BEDA	#FFFFFF	#000000	##000000
##51BEDA	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB9DC

Deuteranopia (green-blind)

#98AADA

Tritanopia (blue-blind)

#00C8C7

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51beda;
/* rgb */ color: rgb(81, 190, 218);
/* oklch */ color: oklch(74.9% 0.106 217.6);

Tailwind

colors: {
  custom: {
    50: '#90d1e5',
    500: '#51beda',
    950: '#000000',
  },
}

SCSS

$custom: #51beda;
$custom-light: #90d1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#51beda",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 218
  },
  "hsl": {
    "h": 192.263,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.74944,
    "c": 0.10613,
    "h": 217.6
  },
  "luminance": 0.43638
}

Semantic roles & 50–950 ramp

primary

#51BEDA

secondary

#DEB3A8

accent

#6240E8

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1415

muted

#7E8284

Preview Lab

Preview with #51BEDA

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

Preview Lab → · Contrast checker → · Palette generator →