#51BAF2#51BAF2

#51BAF2 is a light, vivid cyan. Relative luminance 0.433; OKLCH L 75.0% C 0.125 H 235.3°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#51BAF2
RGB	rgb(81, 186, 242)
HSL	hsl(201, 86%, 63%)
HSV	hsv(201, 67%, 95%)
CMYK	cmyk(66.5%, 23.1%, 0%, 5.1%)
CIE-LAB	lab(71.74, -13.20, -36.69)
CIE-LCH	lch(71.74, 38.99, 250.22°)
OKLab	oklab(75.05% -0.0714 -0.1031)
OKLCH	oklch(75.05% 0.125 235.3)
XYZ	xyz(36.9730, 43.2740, 90.3914)
Luminance	0.4328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BAF2 #F28951

analogous

#51F2DA #51BAF2 #5169F2

triadic

#51BAF2 #F251BA #BAF251

tetradic

#51BAF2 #DA51F2 #F28951 #69F251

square

#51BAF2 #DA51F2 #F28951 #69F251

split-complementary

#51BAF2 #F25169 #F2DA51

monochromatic

#0E7FBB #18A3EE #51BAF2 #8AD1F6 #C3E7FB

Accessibility & contrast

On white

2.17

#51BAF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#51BAF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BAF2

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BAF2	#FFFFFF	#000000	##000000
##51BAF2	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB9F5

Deuteranopia (green-blind)

#89A9F1

Tritanopia (blue-blind)

#00C9CD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51baf2;
/* rgb */ color: rgb(81, 186, 242);
/* oklch */ color: oklch(75.0% 0.125 235.3);

Tailwind

colors: {
  custom: {
    50: '#92cef6',
    500: '#51baf2',
    950: '#000000',
  },
}

SCSS

$custom: #51baf2;
$custom-light: #92cef6;
$custom-dark: #000000;

JSON

{
  "hex": "#51baf2",
  "rgb": {
    "r": 81,
    "g": 186,
    "b": 242
  },
  "hsl": {
    "h": 200.87,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.7505,
    "c": 0.12538,
    "h": 235.3
  },
  "luminance": 0.43278
}

Semantic roles & 50–950 ramp

primary

#51BAF2

secondary

#ECC7B3

accent

#5103E3

background

#F9FCFF

surface

#F2F9FE

border

#CCD2D6

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #51BAF2

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

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