#51ACCA#51ACCA

#51ACCA is a light, moderate cyan. Relative luminance 0.355; OKLCH L 70.1% C 0.097 H 222.5°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#51ACCA
RGB	rgb(81, 172, 202)
HSL	hsl(195, 53%, 55%)
HSV	hsv(195, 60%, 79%)
CMYK	cmyk(59.9%, 14.9%, 0%, 20.8%)
CIE-LAB	lab(66.15, -18.25, -23.42)
CIE-LCH	lch(66.15, 29.69, 232.08°)
OKLab	oklab(70.08% -0.0712 -0.0652)
OKLCH	oklch(70.08% 0.097 222.5)
XYZ	xyz(28.8023, 35.5158, 61.2030)
Luminance	0.3552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ACCA #CA6F51

analogous

#51CAAB #51ACCA #516FCA

triadic

#51ACCA #CA51AC #ACCA51

tetradic

#51ACCA #AB51CA #CA6F51 #6FCA51

square

#51ACCA #AB51CA #CA6F51 #6FCA51

split-complementary

#51ACCA #CA516F #CAAB51

monochromatic

#25667B #348DAA #51ACCA #80C2D8 #AFD9E7

Accessibility & contrast

On white

2.59

#51ACCA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#51ACCA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACCA

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ACCA	#FFFFFF	#000000	##000000
##51ACCA	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA8CC

Deuteranopia (green-blind)

#899BCA

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51acca;
/* rgb */ color: rgb(81, 172, 202);
/* oklch */ color: oklch(70.1% 0.097 222.5);

Tailwind

colors: {
  custom: {
    50: '#8dc4da',
    500: '#51acca',
    950: '#000000',
  },
}

SCSS

$custom: #51acca;
$custom-light: #8dc4da;
$custom-dark: #000000;

JSON

{
  "hex": "#51acca",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 202
  },
  "hsl": {
    "h": 194.876,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.70081,
    "c": 0.09654,
    "h": 222.5
  },
  "luminance": 0.35519
}

Semantic roles & 50–950 ramp

primary

#51ACCA

secondary

#D5AFA2

accent

#6F4BDD

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1214

muted

#7E8183

Preview Lab

Preview with #51ACCA

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

Preview Lab → · Contrast checker → · Palette generator →