#51ABE0#51ABE0

#51ABE0 is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.8% C 0.116 H 237.4°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#51ABE0
RGB	rgb(81, 171, 224)
HSL	hsl(202, 70%, 60%)
HSV	hsv(202, 64%, 88%)
CMYK	cmyk(63.8%, 23.7%, 0%, 12.2%)
CIE-LAB	lab(66.71, -10.85, -34.68)
CIE-LCH	lch(66.71, 36.34, 252.62°)
OKLab	oklab(70.81% -0.0623 -0.0974)
OKLCH	oklch(70.81% 0.116 237.4)
XYZ	xyz(31.4056, 36.2538, 75.8491)
Luminance	0.3626 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABE0 #E08651

analogous

#51E0CE #51ABE0 #5163E0

triadic

#51ABE0 #E051AB #ABE051

tetradic

#51ABE0 #CE51E0 #E08651 #63E051

square

#51ABE0 #CE51E0 #E08651 #63E051

split-complementary

#51ABE0 #E05163 #E0CE51

monochromatic

#1C6C9B #2590CF #51ABE0 #85C4E9 #B9DDF3

Accessibility & contrast

On white

2.55

#51ABE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#51ABE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABE0

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABE0	#FFFFFF	#000000	##000000
##51ABE0	1.00	2.55	8.25	8.25
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92AAE2

Deuteranopia (green-blind)

#7F9CDF

Tritanopia (blue-blind)

#00B9BD

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51abe0;
/* rgb */ color: rgb(81, 171, 224);
/* oklch */ color: oklch(70.8% 0.116 237.4);

Tailwind

colors: {
  custom: {
    50: '#8fc3ea',
    500: '#51abe0',
    950: '#000000',
  },
}

SCSS

$custom: #51abe0;
$custom-light: #8fc3ea;
$custom-dark: #000000;

JSON

{
  "hex": "#51abe0",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 224
  },
  "hsl": {
    "h": 202.238,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.70814,
    "c": 0.1156,
    "h": 237.4
  },
  "luminance": 0.36257
}

Semantic roles & 50–950 ramp

primary

#51ABE0

secondary

#E2BFAB

accent

#7D3BED

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51ABE0

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

Preview Lab → · Contrast checker → · Palette generator →