#51ACDE#51ACDE

#51ACDE is a light, moderate cyan. Relative luminance 0.365; OKLCH L 71.0% C 0.113 H 235.5°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#51ACDE
RGB	rgb(81, 172, 222)
HSL	hsl(201, 68%, 59%)
HSV	hsv(201, 64%, 87%)
CMYK	cmyk(63.5%, 22.5%, 0%, 12.9%)
CIE-LAB	lab(66.92, -12.04, -33.27)
CIE-LCH	lch(66.92, 35.38, 250.11°)
OKLab	oklab(70.95% -0.064 -0.0933)
OKLCH	oklch(70.95% 0.113 235.5)
XYZ	xyz(31.3256, 36.5251, 74.4922)
Luminance	0.3653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ACDE #DE8351

analogous

#51DECA #51ACDE #5165DE

triadic

#51ACDE #DE51AC #ACDE51

tetradic

#51ACDE #CA51DE #DE8351 #65DE51

square

#51ACDE #CA51DE #DE8351 #65DE51

split-complementary

#51ACDE #DE5165 #DECA51

monochromatic

#1D6C98 #2791CB #51ACDE #84C5E8 #B8DDF2

Accessibility & contrast

On white

2.53

#51ACDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#51ACDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACDE

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ACDE	#FFFFFF	#000000	##000000
##51ACDE	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94ABE0

Deuteranopia (green-blind)

#819DDD

Tritanopia (blue-blind)

#00B9BD

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51acde;
/* rgb */ color: rgb(81, 172, 222);
/* oklch */ color: oklch(71.0% 0.113 235.5);

Tailwind

colors: {
  custom: {
    50: '#8fc4e8',
    500: '#51acde',
    950: '#000000',
  },
}

SCSS

$custom: #51acde;
$custom-light: #8fc4e8;
$custom-dark: #000000;

JSON

{
  "hex": "#51acde",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 222
  },
  "hsl": {
    "h": 201.277,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.7095,
    "c": 0.11314,
    "h": 235.5
  },
  "luminance": 0.36528
}

Semantic roles & 50–950 ramp

primary

#51ACDE

secondary

#E1BDAA

accent

#7B3DEB

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51ACDE

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

Preview Lab → · Contrast checker → · Palette generator →