#51ABCA#51ABCA

#51ABCA is a light, moderate cyan. Relative luminance 0.351; OKLCH L 69.8% C 0.097 H 223.4°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#51ABCA
RGB	rgb(81, 171, 202)
HSL	hsl(195, 53%, 55%)
HSV	hsv(195, 60%, 79%)
CMYK	cmyk(59.9%, 15.3%, 0%, 20.8%)
CIE-LAB	lab(65.85, -17.72, -23.87)
CIE-LCH	lch(65.85, 29.73, 233.41°)
OKLab	oklab(69.85% -0.0701 -0.0664)
OKLCH	oklch(69.85% 0.097 223.4)
XYZ	xyz(28.6127, 35.1366, 61.1398)
Luminance	0.3514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABCA #CA7051

analogous

#51CAAC #51ABCA #516ECA

triadic

#51ABCA #CA51AB #ABCA51

tetradic

#51ABCA #AC51CA #CA7051 #6ECA51

square

#51ABCA #AC51CA #CA7051 #6ECA51

split-complementary

#51ABCA #CA516E #CAAC51

monochromatic

#25657B #348CAA #51ABCA #80C2D8 #AFD8E7

Accessibility & contrast

On white

2.62

#51ABCA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#51ABCA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABCA

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABCA	#FFFFFF	#000000	##000000
##51ABCA	1.00	2.62	8.03	8.03
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A7CC

Deuteranopia (green-blind)

#889ACA

Tritanopia (blue-blind)

#00B5B5

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51abca;
/* rgb */ color: rgb(81, 171, 202);
/* oklch */ color: oklch(69.8% 0.097 223.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51abca",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 202
  },
  "hsl": {
    "h": 195.372,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.69846,
    "c": 0.09661,
    "h": 223.4
  },
  "luminance": 0.35139
}

Semantic roles & 50–950 ramp

primary

#51ABCA

secondary

#D5AFA2

accent

#704BDD

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1214

muted

#7E8183

Preview Lab

Preview with #51ABCA

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

Preview Lab → · Contrast checker → · Palette generator →