#51ACCB#51ACCB

#51ACCB is a light, moderate cyan. Relative luminance 0.356; OKLCH L 70.1% C 0.097 H 223.2°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#51ACCB
RGB	rgb(81, 172, 203)
HSL	hsl(195, 54%, 56%)
HSV	hsv(195, 60%, 80%)
CMYK	cmyk(60.1%, 15.3%, 0%, 20.4%)
CIE-LAB	lab(66.18, -17.94, -23.92)
CIE-LCH	lch(66.18, 29.90, 233.12°)
OKLab	oklab(70.12% -0.0708 -0.0666)
OKLCH	oklch(70.12% 0.097 223.2)
XYZ	xyz(28.9211, 35.5633, 61.8286)
Luminance	0.3557 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ACCB #CB7051

analogous

#51CBAD #51ACCB #516FCB

triadic

#51ACCB #CB51AC #ACCB51

tetradic

#51ACCB #AD51CB #CB7051 #6FCB51

square

#51ACCB #AD51CB #CB7051 #6FCB51

split-complementary

#51ACCB #CB516F #CBAD51

monochromatic

#25667C #338DAC #51ACCB #80C2D9 #AFD9E7

Accessibility & contrast

On white

2.59

#51ACCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#51ACCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACCB

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ACCB	#FFFFFF	#000000	##000000
##51ACCB	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA8CD

Deuteranopia (green-blind)

#899BCB

Tritanopia (blue-blind)

#00B6B6

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51accb;
/* rgb */ color: rgb(81, 172, 203);
/* oklch */ color: oklch(70.1% 0.097 223.2);

Tailwind

colors: {
  custom: {
    50: '#8dc4db',
    500: '#51accb',
    950: '#000000',
  },
}

SCSS

$custom: #51accb;
$custom-light: #8dc4db;
$custom-dark: #000000;

JSON

{
  "hex": "#51accb",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 203
  },
  "hsl": {
    "h": 195.246,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.70122,
    "c": 0.09722,
    "h": 223.2
  },
  "luminance": 0.35566
}

Semantic roles & 50–950 ramp

primary

#51ACCB

secondary

#D5AFA3

accent

#704ADD

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51ACCB

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

Preview Lab → · Contrast checker → · Palette generator →