#51ADCA#51ADCA

#51ADCA is a light, moderate cyan. Relative luminance 0.359; OKLCH L 70.3% C 0.096 H 221.5°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#51ADCA
RGB	rgb(81, 173, 202)
HSL	hsl(194, 53%, 55%)
HSV	hsv(194, 60%, 79%)
CMYK	cmyk(59.9%, 14.4%, 0%, 20.8%)
CIE-LAB	lab(66.44, -18.77, -22.97)
CIE-LCH	lch(66.44, 29.67, 230.75°)
OKLab	oklab(70.32% -0.0723 -0.0639)
OKLCH	oklch(70.32% 0.096 221.5)
XYZ	xyz(28.9934, 35.8979, 61.2667)
Luminance	0.3590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ADCA #CA6E51

analogous

#51CAAA #51ADCA #5170CA

triadic

#51ADCA #CA51AD #ADCA51

tetradic

#51ADCA #AA51CA #CA6E51 #70CA51

square

#51ADCA #AA51CA #CA6E51 #70CA51

split-complementary

#51ADCA #CA5170 #CAAA51

monochromatic

#25677B #348EAA #51ADCA #80C3D8 #AFD9E7

Accessibility & contrast

On white

2.57

#51ADCA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#51ADCA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ADCA

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ADCA	#FFFFFF	#000000	##000000
##51ADCA	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CA9CC

Deuteranopia (green-blind)

#8A9CCA

Tritanopia (blue-blind)

#00B6B6

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51adca;
/* rgb */ color: rgb(81, 173, 202);
/* oklch */ color: oklch(70.3% 0.096 221.5);

Tailwind

colors: {
  custom: {
    50: '#8dc5da',
    500: '#51adca',
    950: '#000000',
  },
}

SCSS

$custom: #51adca;
$custom-light: #8dc5da;
$custom-dark: #000000;

JSON

{
  "hex": "#51adca",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 202
  },
  "hsl": {
    "h": 194.38,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.70315,
    "c": 0.09648,
    "h": 221.5
  },
  "luminance": 0.35901
}

Semantic roles & 50–950 ramp

primary

#51ADCA

secondary

#D5AEA2

accent

#6E4BDD

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1314

muted

#7E8283

Preview Lab

Preview with #51ADCA

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

Preview Lab → · Contrast checker → · Palette generator →