#51C2EA#51C2EA

#51C2EA is a light, moderate cyan. Relative luminance 0.463; OKLCH L 76.5% C 0.116 H 224.9°. Best body text is #000000 at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#51C2EA
RGB	rgb(81, 194, 234)
HSL	hsl(196, 78%, 62%)
HSV	hsv(196, 65%, 92%)
CMYK	cmyk(65.4%, 17.1%, 0%, 8.2%)
CIE-LAB	lab(73.72, -19.91, -29.31)
CIE-LCH	lch(73.72, 35.43, 235.81°)
OKLab	oklab(76.53% -0.0821 -0.0819)
OKLCH	oklch(76.53% 0.116 224.9)
XYZ	xyz(37.5304, 46.2694, 84.7789)
Luminance	0.4627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C2EA #EA7951

analogous

#51EAC5 #51C2EA #5176EA

triadic

#51C2EA #EA51C2 #C2EA51

tetradic

#51C2EA #C551EA #EA7951 #76EA51

square

#51C2EA #C551EA #EA7951 #76EA51

split-complementary

#51C2EA #EA5176 #EAC551

monochromatic

#1584AC #1BAEE2 #51C2EA #88D5F1 #BEE8F7

Accessibility & contrast

On white

2.05

#51C2EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.25

#51C2EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C2EA

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C2EA	#FFFFFF	#000000	##000000
##51C2EA	1.00	2.05	10.25	10.25
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.25	21.00	1.00	1.00
##000000	10.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBEEC

Deuteranopia (green-blind)

#96AEEA

Tritanopia (blue-blind)

#00CECF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51c2ea;
/* rgb */ color: rgb(81, 194, 234);
/* oklch */ color: oklch(76.5% 0.116 224.9);

Tailwind

colors: {
  custom: {
    50: '#92d4f0',
    500: '#51c2ea',
    950: '#000000',
  },
}

SCSS

$custom: #51c2ea;
$custom-light: #92d4f0;
$custom-dark: #000000;

JSON

{
  "hex": "#51c2ea",
  "rgb": {
    "r": 81,
    "g": 194,
    "b": 234
  },
  "hsl": {
    "h": 195.686,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.76526,
    "c": 0.11597,
    "h": 224.9
  },
  "luminance": 0.46273
}

Semantic roles & 50–950 ramp

primary

#51C2EA

secondary

#E8BEAF

accent

#410BDB

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #51C2EA

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

Preview Lab → · Contrast checker → · Palette generator →