#51ADDE#51ADDE

#51ADDE is a light, moderate cyan. Relative luminance 0.369; OKLCH L 71.2% C 0.113 H 234.7°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#51ADDE
RGB	rgb(81, 173, 222)
HSL	hsl(201, 68%, 59%)
HSV	hsv(201, 64%, 87%)
CMYK	cmyk(63.5%, 22.1%, 0%, 12.9%)
CIE-LAB	lab(67.21, -12.58, -32.82)
CIE-LCH	lch(67.21, 35.15, 249.03°)
OKLab	oklab(71.18% -0.065 -0.092)
OKLCH	oklch(71.18% 0.113 234.7)
XYZ	xyz(31.5166, 36.9072, 74.5559)
Luminance	0.3691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ADDE #DE8251

analogous

#51DEC9 #51ADDE #5167DE

triadic

#51ADDE #DE51AD #ADDE51

tetradic

#51ADDE #C951DE #DE8251 #67DE51

square

#51ADDE #C951DE #DE8251 #67DE51

split-complementary

#51ADDE #DE5167 #DEC951

monochromatic

#1D6D98 #2792CB #51ADDE #84C5E8 #B8DDF2

Accessibility & contrast

On white

2.51

#51ADDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#51ADDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ADDE

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ADDE	#FFFFFF	#000000	##000000
##51ADDE	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95ACE0

Deuteranopia (green-blind)

#829DDD

Tritanopia (blue-blind)

#00BABD

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #51adde;
/* rgb */ color: rgb(81, 173, 222);
/* oklch */ color: oklch(71.2% 0.113 234.7);

Tailwind

colors: {
  custom: {
    50: '#8fc5e8',
    500: '#51adde',
    950: '#000000',
  },
}

SCSS

$custom: #51adde;
$custom-light: #8fc5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#51adde",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 222
  },
  "hsl": {
    "h": 200.851,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.71179,
    "c": 0.11267,
    "h": 234.7
  },
  "luminance": 0.3691
}

Semantic roles & 50–950 ramp

primary

#51ADDE

secondary

#E1BDAA

accent

#793DEB

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51ADDE

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

Preview Lab → · Contrast checker → · Palette generator →