#51ACDA#51ACDA

#51ACDA is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.8% C 0.109 H 233.3°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#51ACDA
RGB	rgb(81, 172, 218)
HSL	hsl(200, 65%, 59%)
HSV	hsv(200, 63%, 85%)
CMYK	cmyk(62.8%, 21.1%, 0%, 14.5%)
CIE-LAB	lab(66.76, -13.30, -31.31)
CIE-LCH	lch(66.76, 34.02, 246.99°)
OKLab	oklab(70.77% -0.0654 -0.0877)
OKLCH	oklch(70.77% 0.109 233.3)
XYZ	xyz(30.7958, 36.3132, 71.7023)
Luminance	0.3632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ACDA #DA7F51

analogous

#51DAC3 #51ACDA #5167DA

triadic

#51ACDA #DA51AC #ACDA51

tetradic

#51ACDA #C351DA #DA7F51 #67DA51

square

#51ACDA #C351DA #DA7F51 #67DA51

split-complementary

#51ACDA #DA5167 #DAC351

monochromatic

#1F6B92 #2A90C4 #51ACDA #83C4E5 #B6DCEF

Accessibility & contrast

On white

2.54

#51ACDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#51ACDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACDA

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ACDA	#FFFFFF	#000000	##000000
##51ACDA	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96AADC

Deuteranopia (green-blind)

#839CD9

Tritanopia (blue-blind)

#00B8BB

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51acda;
/* rgb */ color: rgb(81, 172, 218);
/* oklch */ color: oklch(70.8% 0.109 233.3);

Tailwind

colors: {
  custom: {
    50: '#8fc4e5',
    500: '#51acda',
    950: '#000000',
  },
}

SCSS

$custom: #51acda;
$custom-light: #8fc4e5;
$custom-dark: #000000;

JSON

{
  "hex": "#51acda",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 218
  },
  "hsl": {
    "h": 200.146,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.70769,
    "c": 0.10937,
    "h": 233.3
  },
  "luminance": 0.36316
}

Semantic roles & 50–950 ramp

primary

#51ACDA

secondary

#DEBBA8

accent

#7840E8

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #51ACDA

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

Preview Lab → · Contrast checker → · Palette generator →