#51ABCD#51ABCD

#51ABCD is a light, moderate cyan. Relative luminance 0.353; OKLCH L 70.0% C 0.099 H 225.7°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#51ABCD
RGB	rgb(81, 171, 205)
HSL	hsl(196, 55%, 56%)
HSV	hsv(196, 60%, 80%)
CMYK	cmyk(60.5%, 16.6%, 0%, 19.6%)
CIE-LAB	lab(65.97, -16.81, -25.36)
CIE-LCH	lch(65.97, 30.42, 236.47°)
OKLab	oklab(69.97% -0.069 -0.0707)
OKLCH	oklch(69.97% 0.099 225.7)
XYZ	xyz(28.9714, 35.2801, 63.0287)
Luminance	0.3528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABCD #CD7351

analogous

#51CDB1 #51ABCD #516DCD

triadic

#51ABCD #CD51AB #ABCD51

tetradic

#51ABCD #B151CD #CD7351 #6DCD51

square

#51ABCD #B151CD #CD7351 #6DCD51

split-complementary

#51ABCD #CD516D #CDB151

monochromatic

#25667F #328CAF #51ABCD #81C2DB #B0D9E8

Accessibility & contrast

On white

2.61

#51ABCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#51ABCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABCD

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABCD	#FFFFFF	#000000	##000000
##51ABCD	1.00	2.61	8.06	8.06
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A8CF

Deuteranopia (green-blind)

#879BCD

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51abcd;
/* rgb */ color: rgb(81, 171, 205);
/* oklch */ color: oklch(70.0% 0.099 225.7);

Tailwind

colors: {
  custom: {
    50: '#8dc4dc',
    500: '#51abcd',
    950: '#000000',
  },
}

SCSS

$custom: #51abcd;
$custom-light: #8dc4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51abcd",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 205
  },
  "hsl": {
    "h": 196.452,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.69972,
    "c": 0.09878,
    "h": 225.7
  },
  "luminance": 0.35283
}

Semantic roles & 50–950 ramp

primary

#51ABCD

secondary

#D7B1A3

accent

#7249DF

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51ABCD

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

Preview Lab → · Contrast checker → · Palette generator →