#51ACE2#51ACE2

#51ACE2 is a light, moderate cyan. Relative luminance 0.367; OKLCH L 71.1% C 0.117 H 237.6°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#51ACE2
RGB	rgb(81, 172, 226)
HSL	hsl(202, 71%, 60%)
HSV	hsv(202, 64%, 89%)
CMYK	cmyk(64.2%, 23.9%, 0%, 11.4%)
CIE-LAB	lab(67.08, -10.76, -35.21)
CIE-LCH	lch(67.08, 36.82, 253.01°)
OKLab	oklab(71.13% -0.0627 -0.0989)
OKLCH	oklch(71.13% 0.117 237.6)
XYZ	xyz(31.8681, 36.7421, 77.3492)
Luminance	0.3674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ACE2 #E28751

analogous

#51E2D0 #51ACE2 #5163E2

triadic

#51ACE2 #E251AC #ACE251

tetradic

#51ACE2 #D051E2 #E28751 #63E251

square

#51ACE2 #D051E2 #E28751 #63E251

split-complementary

#51ACE2 #E25163 #E2D051

monochromatic

#1A6D9E #2391D3 #51ACE2 #85C5EB #BADEF3

Accessibility & contrast

On white

2.52

#51ACE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#51ACE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACE2

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ACE2	#FFFFFF	#000000	##000000
##51ACE2	1.00	2.52	8.35	8.35
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93ABE5

Deuteranopia (green-blind)

#7F9DE1

Tritanopia (blue-blind)

#00BABE

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51ace2;
/* rgb */ color: rgb(81, 172, 226);
/* oklch */ color: oklch(71.1% 0.117 237.6);

Tailwind

colors: {
  custom: {
    50: '#90c4eb',
    500: '#51ace2',
    950: '#000000',
  },
}

SCSS

$custom: #51ace2;
$custom-light: #90c4eb;
$custom-dark: #000000;

JSON

{
  "hex": "#51ace2",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 226
  },
  "hsl": {
    "h": 202.345,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.71134,
    "c": 0.11706,
    "h": 237.6
  },
  "luminance": 0.36745
}

Semantic roles & 50–950 ramp

primary

#51ACE2

secondary

#E3C0AC

accent

#5A12D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51ACE2

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

Preview Lab → · Contrast checker → · Palette generator →