#51ABDA#51ABDA

#51ABDA is a light, moderate cyan. Relative luminance 0.359; OKLCH L 70.5% C 0.110 H 234.1°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#51ABDA
RGB	rgb(81, 171, 218)
HSL	hsl(201, 65%, 59%)
HSV	hsv(201, 63%, 85%)
CMYK	cmyk(62.8%, 21.6%, 0%, 14.5%)
CIE-LAB	lab(66.47, -12.76, -31.76)
CIE-LCH	lch(66.47, 34.23, 248.11°)
OKLab	oklab(70.54% -0.0643 -0.089)
OKLCH	oklch(70.54% 0.11 234.1)
XYZ	xyz(30.6062, 35.9340, 71.6391)
Luminance	0.3594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABDA #DA8051

analogous

#51DAC4 #51ABDA #5166DA

triadic

#51ABDA #DA51AB #ABDA51

tetradic

#51ABDA #C451DA #DA8051 #66DA51

square

#51ABDA #C451DA #DA8051 #66DA51

split-complementary

#51ABDA #DA5166 #DAC451

monochromatic

#1F6A92 #2A8FC4 #51ABDA #83C3E5 #B6DCEF

Accessibility & contrast

On white

2.56

#51ABDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.19

#51ABDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABDA

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABDA	#FFFFFF	#000000	##000000
##51ABDA	1.00	2.56	8.19	8.19
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.19	21.00	1.00	1.00
##000000	8.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94A9DC

Deuteranopia (green-blind)

#819CD9

Tritanopia (blue-blind)

#00B7BB

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51abda;
/* rgb */ color: rgb(81, 171, 218);
/* oklch */ color: oklch(70.5% 0.110 234.1);

Tailwind

colors: {
  custom: {
    50: '#8fc4e5',
    500: '#51abda',
    950: '#000000',
  },
}

SCSS

$custom: #51abda;
$custom-light: #8fc4e5;
$custom-dark: #000000;

JSON

{
  "hex": "#51abda",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 218
  },
  "hsl": {
    "h": 200.584,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.70539,
    "c": 0.1098,
    "h": 234.1
  },
  "luminance": 0.35937
}

Semantic roles & 50–950 ramp

primary

#51ABDA

secondary

#DEBBA8

accent

#7A40E8

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #51ABDA

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

Preview Lab → · Contrast checker → · Palette generator →