#51AEDF#51AEDF

#51AEDF is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.5% C 0.113 H 234.5°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#51AEDF
RGB	rgb(81, 174, 223)
HSL	hsl(201, 69%, 60%)
HSV	hsv(201, 64%, 87%)
CMYK	cmyk(63.7%, 22%, 0%, 12.5%)
CIE-LAB	lab(67.54, -12.80, -32.86)
CIE-LCH	lch(67.54, 35.26, 248.72°)
OKLab	oklab(71.45% -0.0657 -0.0921)
OKLCH	oklch(71.45% 0.113 234.5)
XYZ	xyz(31.8435, 37.3459, 75.3280)
Luminance	0.3735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AEDF #DF8251

analogous

#51DFC9 #51AEDF #5167DF

triadic

#51AEDF #DF51AE #AEDF51

tetradic

#51AEDF #C951DF #DF8251 #67DF51

square

#51AEDF #C951DF #DF8251 #67DF51

split-complementary

#51AEDF #DF5167 #DFC951

monochromatic

#1C6E99 #2693CD #51AEDF #85C6E9 #B8DEF2

Accessibility & contrast

On white

2.48

#51AEDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#51AEDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AEDF

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AEDF	#FFFFFF	#000000	##000000
##51AEDF	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96ADE1

Deuteranopia (green-blind)

#839EDE

Tritanopia (blue-blind)

#00BBBE

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #51aedf;
/* rgb */ color: rgb(81, 174, 223);
/* oklch */ color: oklch(71.5% 0.113 234.5);

Tailwind

colors: {
  custom: {
    50: '#8fc6e9',
    500: '#51aedf',
    950: '#000000',
  },
}

SCSS

$custom: #51aedf;
$custom-light: #8fc6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#51aedf",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 223
  },
  "hsl": {
    "h": 200.704,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.71454,
    "c": 0.11316,
    "h": 234.5
  },
  "luminance": 0.37349
}

Semantic roles & 50–950 ramp

primary

#51AEDF

secondary

#E1BDAA

accent

#793CEC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #51AEDF

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

Preview Lab → · Contrast checker → · Palette generator →