#51ACCF#51ACCF

#51ACCF is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.3% C 0.100 H 226.2°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#51ACCF
RGB	rgb(81, 172, 207)
HSL	hsl(197, 57%, 56%)
HSV	hsv(197, 61%, 81%)
CMYK	cmyk(60.9%, 16.9%, 0%, 18.8%)
CIE-LAB	lab(66.33, -16.72, -25.90)
CIE-LCH	lch(66.33, 30.83, 237.15°)
OKLab	oklab(70.29% -0.0693 -0.0722)
OKLCH	oklch(70.29% 0.1 226.2)
XYZ	xyz(29.4039, 35.7564, 64.3715)
Luminance	0.3576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ACCF #CF7451

analogous

#51CFB3 #51ACCF #516DCF

triadic

#51ACCF #CF51AC #ACCF51

tetradic

#51ACCF #B351CF #CF7451 #6DCF51

square

#51ACCF #B351CF #CF7451 #6DCF51

split-complementary

#51ACCF #CF516D #CFB351

monochromatic

#246882 #318EB2 #51ACCF #81C3DC #B1DAE9

Accessibility & contrast

On white

2.58

#51ACCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#51ACCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACCF

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ACCF	#FFFFFF	#000000	##000000
##51ACCF	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A9D1

Deuteranopia (green-blind)

#879BCF

Tritanopia (blue-blind)

#00B6B7

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51accf;
/* rgb */ color: rgb(81, 172, 207);
/* oklch */ color: oklch(70.3% 0.100 226.2);

Tailwind

colors: {
  custom: {
    50: '#8dc4dd',
    500: '#51accf',
    950: '#000000',
  },
}

SCSS

$custom: #51accf;
$custom-light: #8dc4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51accf",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 207
  },
  "hsl": {
    "h": 196.667,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.7029,
    "c": 0.10012,
    "h": 226.2
  },
  "luminance": 0.35759
}

Semantic roles & 50–950 ramp

primary

#51ACCF

secondary

#D8B2A4

accent

#7248E0

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51ACCF

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

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