#51BAEA#51BAEA

#51BAEA is a light, moderate cyan. Relative luminance 0.428; OKLCH L 74.7% C 0.118 H 231.1°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#51BAEA
RGB	rgb(81, 186, 234)
HSL	hsl(199, 78%, 62%)
HSV	hsv(199, 65%, 92%)
CMYK	cmyk(65.4%, 20.5%, 0%, 8.2%)
CIE-LAB	lab(71.42, -15.73, -32.85)
CIE-LCH	lch(71.42, 36.42, 244.41°)
OKLab	oklab(74.69% -0.0741 -0.092)
OKLCH	oklch(74.69% 0.118 231.1)
XYZ	xyz(35.7977, 42.8039, 84.2013)
Luminance	0.4281 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BAEA #EA8151

analogous

#51EACE #51BAEA #516DEA

triadic

#51BAEA #EA51BA #BAEA51

tetradic

#51BAEA #CE51EA #EA8151 #6DEA51

square

#51BAEA #CE51EA #EA8151 #6DEA51

split-complementary

#51BAEA #EA516D #EACE51

monochromatic

#157CAC #1BA4E2 #51BAEA #88D0F1 #BEE5F7

Accessibility & contrast

On white

2.20

#51BAEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#51BAEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BAEA

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BAEA	#FFFFFF	#000000	##000000
##51BAEA	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B8EC

Deuteranopia (green-blind)

#8DA8E9

Tritanopia (blue-blind)

#00C7CA

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51baea;
/* rgb */ color: rgb(81, 186, 234);
/* oklch */ color: oklch(74.7% 0.118 231.1);

Tailwind

colors: {
  custom: {
    50: '#91cef1',
    500: '#51baea',
    950: '#000000',
  },
}

SCSS

$custom: #51baea;
$custom-light: #91cef1;
$custom-dark: #000000;

JSON

{
  "hex": "#51baea",
  "rgb": {
    "r": 81,
    "g": 186,
    "b": 234
  },
  "hsl": {
    "h": 198.824,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.74691,
    "c": 0.11816,
    "h": 231.1
  },
  "luminance": 0.42808
}

Semantic roles & 50–950 ramp

primary

#51BAEA

secondary

#E8C1AF

accent

#4C0BDB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #51BAEA

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

Preview Lab → · Contrast checker → · Palette generator →