#51D3EB#51D3EB

#51D3EB is a light, moderate teal. Relative luminance 0.543; OKLCH L 80.5% C 0.117 H 212.1°. Best body text is #000000 at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#51D3EB
RGB	rgb(81, 211, 235)
HSL	hsl(189, 79%, 62%)
HSV	hsv(189, 66%, 92%)
CMYK	cmyk(65.5%, 10.2%, 0%, 7.8%)
CIE-LAB	lab(78.65, -28.14, -22.30)
CIE-LCH	lch(78.65, 35.90, 218.40°)
OKLab	oklab(80.5% -0.0988 -0.062)
OKLCH	oklch(80.5% 0.117 212.1)
XYZ	xyz(41.6767, 54.3314, 86.8717)
Luminance	0.5434 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3EB #EB6951

analogous

#51EBB6 #51D3EB #5186EB

triadic

#51D3EB #EB51D3 #D3EB51

tetradic

#51D3EB #B651EB #EB6951 #86EB51

square

#51D3EB #B651EB #EB6951 #86EB51

split-complementary

#51D3EB #EB5186 #EBB651

monochromatic

#1496AE #1AC5E5 #51D3EB #88E1F1 #BFEFF8

Accessibility & contrast

On white

1.77

#51D3EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.87

#51D3EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3EB

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3EB	#FFFFFF	#000000	##000000
##51D3EB	1.00	1.77	11.87	11.87
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.87	21.00	1.00	1.00
##000000	11.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CCEC

Deuteranopia (green-blind)

#AABCEB

Tritanopia (blue-blind)

#00DDDA

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d3eb;
/* rgb */ color: rgb(81, 211, 235);
/* oklch */ color: oklch(80.5% 0.117 212.1);

Tailwind

colors: {
  custom: {
    50: '#93e0f1',
    500: '#51d3eb',
    950: '#000000',
  },
}

SCSS

$custom: #51d3eb;
$custom-light: #93e0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3eb",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 235
  },
  "hsl": {
    "h": 189.351,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.80497,
    "c": 0.1166,
    "h": 212.1
  },
  "luminance": 0.54336
}

Semantic roles & 50–950 ramp

primary

#51D3EB

secondary

#AE4532

accent

#2B0ADC

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51D3EB

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

Preview Lab → · Contrast checker → · Palette generator →