#51ACC2#51ACC2

#51ACC2 is a light, moderate cyan. Relative luminance 0.351; OKLCH L 69.8% C 0.092 H 215.9°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#51ACC2
RGB	rgb(81, 172, 194)
HSL	hsl(192, 48%, 54%)
HSV	hsv(192, 58%, 76%)
CMYK	cmyk(58.2%, 11.3%, 0%, 23.9%)
CIE-LAB	lab(65.86, -20.64, -19.42)
CIE-LCH	lch(65.86, 28.34, 223.26°)
OKLab	oklab(69.76% -0.0743 -0.0539)
OKLCH	oklch(69.76% 0.092 215.9)
XYZ	xyz(27.8796, 35.1467, 56.3432)
Luminance	0.3515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ACC2 #C26751

analogous

#51C2A0 #51ACC2 #5174C2

triadic

#51ACC2 #C251AC #ACC251

tetradic

#51ACC2 #A051C2 #C26751 #74C251

square

#51ACC2 #A051C2 #C26751 #74C251

split-complementary

#51ACC2 #C25174 #C2A051

monochromatic

#286371 #378A9E #51ACC2 #7EC2D2 #ACD7E2

Accessibility & contrast

On white

2.62

#51ACC2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#51ACC2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACC2

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ACC2	#FFFFFF	#000000	##000000
##51ACC2	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)

#9DA7C3

Deuteranopia (green-blind)

#8C9BC2

Tritanopia (blue-blind)

#00B4B3

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51acc2;
/* rgb */ color: rgb(81, 172, 194);
/* oklch */ color: oklch(69.8% 0.092 215.9);

Tailwind

colors: {
  custom: {
    50: '#8cc5d4',
    500: '#51acc2',
    950: '#000000',
  },
}

SCSS

$custom: #51acc2;
$custom-light: #8cc5d4;
$custom-dark: #000000;

JSON

{
  "hex": "#51acc2",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 194
  },
  "hsl": {
    "h": 191.681,
    "s": 48.085,
    "l": 53.922
  },
  "oklch": {
    "l": 0.69758,
    "c": 0.0918,
    "h": 215.9
  },
  "luminance": 0.35149
}

Semantic roles & 50–950 ramp

primary

#51ACC2

secondary

#D0A99F

accent

#6B50D8

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1214

muted

#7E8183

Preview Lab

Preview with #51ACC2

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

Preview Lab → · Contrast checker → · Palette generator →