#51AFD6#51AFD6

#51AFD6 is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.3% C 0.105 H 228.2°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#51AFD6
RGB	rgb(81, 175, 214)
HSL	hsl(198, 62%, 58%)
HSV	hsv(198, 62%, 84%)
CMYK	cmyk(62.1%, 18.2%, 0%, 16.1%)
CIE-LAB	lab(67.47, -16.16, -28.01)
CIE-LCH	lch(67.47, 32.34, 240.03°)
OKLab	oklab(71.29% -0.0699 -0.0782)
OKLCH	oklch(71.29% 0.105 228.2)
XYZ	xyz(30.8561, 37.2612, 69.1713)
Luminance	0.3726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AFD6 #D67851

analogous

#51D6BA #51AFD6 #516CD6

triadic

#51AFD6 #D651AF #AFD651

tetradic

#51AFD6 #BA51D6 #D67851 #6CD651

square

#51AFD6 #BA51D6 #D67851 #6CD651

split-complementary

#51AFD6 #D6516C #D6BA51

monochromatic

#216C8C #2D93BD #51AFD6 #83C6E2 #B4DDED

Accessibility & contrast

On white

2.48

#51AFD6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.45

#51AFD6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AFD6

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AFD6	#FFFFFF	#000000	##000000
##51AFD6	1.00	2.48	8.45	8.45
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.45	21.00	1.00	1.00
##000000	8.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BACD8

Deuteranopia (green-blind)

#889ED6

Tritanopia (blue-blind)

#00BABC

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #51afd6;
/* rgb */ color: rgb(81, 175, 214);
/* oklch */ color: oklch(71.3% 0.105 228.2);

Tailwind

colors: {
  custom: {
    50: '#8ec7e2',
    500: '#51afd6',
    950: '#000000',
  },
}

SCSS

$custom: #51afd6;
$custom-light: #8ec7e2;
$custom-dark: #000000;

JSON

{
  "hex": "#51afd6",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 214
  },
  "hsl": {
    "h": 197.594,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.71287,
    "c": 0.10493,
    "h": 228.2
  },
  "luminance": 0.37264
}

Semantic roles & 50–950 ramp

primary

#51AFD6

secondary

#DCB6A7

accent

#7243E5

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #51AFD6

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

Preview Lab → · Contrast checker → · Palette generator →