#51AECF#51AECF

#51AECF is a light, moderate cyan. Relative luminance 0.365; OKLCH L 70.8% C 0.100 H 224.3°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#51AECF
RGB	rgb(81, 174, 207)
HSL	hsl(196, 57%, 56%)
HSV	hsv(196, 61%, 81%)
CMYK	cmyk(60.9%, 15.9%, 0%, 18.8%)
CIE-LAB	lab(66.92, -17.78, -25.01)
CIE-LCH	lch(66.92, 30.68, 234.59°)
OKLab	oklab(70.76% -0.0715 -0.0697)
OKLCH	oklch(70.76% 0.1 224.3)
XYZ	xyz(29.7874, 36.5234, 64.4993)
Luminance	0.3653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AECF #CF7251

analogous

#51CFB1 #51AECF #516FCF

triadic

#51AECF #CF51AE #AECF51

tetradic

#51AECF #B151CF #CF7251 #6FCF51

square

#51AECF #B151CF #CF7251 #6FCF51

split-complementary

#51AECF #CF516F #CFB151

monochromatic

#246982 #3190B2 #51AECF #81C4DC #B1DBE9

Accessibility & contrast

On white

2.53

#51AECF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#51AECF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AECF

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AECF	#FFFFFF	#000000	##000000
##51AECF	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CAAD1

Deuteranopia (green-blind)

#8A9DCF

Tritanopia (blue-blind)

#00B8B9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51aecf;
/* rgb */ color: rgb(81, 174, 207);
/* oklch */ color: oklch(70.8% 0.100 224.3);

Tailwind

colors: {
  custom: {
    50: '#8dc6dd',
    500: '#51aecf',
    950: '#000000',
  },
}

SCSS

$custom: #51aecf;
$custom-light: #8dc6dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51aecf",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 207
  },
  "hsl": {
    "h": 195.714,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.70757,
    "c": 0.0998,
    "h": 224.3
  },
  "luminance": 0.36526
}

Semantic roles & 50–950 ramp

primary

#51AECF

secondary

#D8B2A4

accent

#7048E0

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #51AECF

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

Preview Lab → · Contrast checker → · Palette generator →