#51AEDC#51AEDC

#51AEDC is a light, moderate cyan. Relative luminance 0.372; OKLCH L 71.3% C 0.110 H 232.8°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#51AEDC
RGB	rgb(81, 174, 220)
HSL	hsl(200, 67%, 59%)
HSV	hsv(200, 63%, 86%)
CMYK	cmyk(63.2%, 20.9%, 0%, 13.7%)
CIE-LAB	lab(67.42, -13.75, -31.40)
CIE-LCH	lch(67.42, 34.28, 246.35°)
OKLab	oklab(71.32% -0.0668 -0.0879)
OKLCH	oklch(71.32% 0.11 232.8)
XYZ	xyz(31.4426, 37.1855, 73.2167)
Luminance	0.3719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AEDC #DC7F51

analogous

#51DCC5 #51AEDC #5169DC

triadic

#51AEDC #DC51AE #AEDC51

tetradic

#51AEDC #C551DC #DC7F51 #69DC51

square

#51AEDC #C551DC #DC7F51 #69DC51

split-complementary

#51AEDC #DC5169 #DCC551

monochromatic

#1E6D95 #2893C8 #51AEDC #84C6E6 #B7DDF0

Accessibility & contrast

On white

2.49

#51AEDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#51AEDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AEDC

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AEDC	#FFFFFF	#000000	##000000
##51AEDC	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97ACDE

Deuteranopia (green-blind)

#849EDB

Tritanopia (blue-blind)

#00BABD

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #51aedc;
/* rgb */ color: rgb(81, 174, 220);
/* oklch */ color: oklch(71.3% 0.110 232.8);

Tailwind

colors: {
  custom: {
    50: '#8fc6e7',
    500: '#51aedc',
    950: '#000000',
  },
}

SCSS

$custom: #51aedc;
$custom-light: #8fc6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51aedc",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 220
  },
  "hsl": {
    "h": 199.856,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.71319,
    "c": 0.11039,
    "h": 232.8
  },
  "luminance": 0.37189
}

Semantic roles & 50–950 ramp

primary

#51AEDC

secondary

#E0BBA9

accent

#773EE9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #51AEDC

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

Preview Lab → · Contrast checker → · Palette generator →