#51D7E8#51D7E8

#51D7E8 is a light, moderate teal. Relative luminance 0.562; OKLCH L 81.3% C 0.117 H 207.0°. Best body text is #000000 at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#51D7E8
RGB	rgb(81, 215, 232)
HSL	hsl(187, 77%, 61%)
HSV	hsv(187, 65%, 91%)
CMYK	cmyk(65.1%, 7.3%, 0%, 9%)
CIE-LAB	lab(79.71, -30.95, -19.09)
CIE-LCH	lch(79.71, 36.36, 211.67°)
OKLab	oklab(81.32% -0.1039 -0.053)
OKLCH	oklch(81.32% 0.117 207)
XYZ	xyz(42.2531, 56.1717, 84.9437)
Luminance	0.5618 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D7E8 #E86251

analogous

#51E8AE #51D7E8 #518CE8

triadic

#51D7E8 #E851D7 #D7E851

tetradic

#51D7E8 #AE51E8 #E86251 #8CE851

square

#51D7E8 #AE51E8 #E86251 #8CE851

split-complementary

#51D7E8 #E8518C #E8AE51

monochromatic

#1698A8 #1DC9DE #51D7E8 #87E3EF #BDF0F6

Accessibility & contrast

On white

1.72

#51D7E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.24

#51D7E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7E8

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D7E8	#FFFFFF	#000000	##000000
##51D7E8	1.00	1.72	12.24	12.24
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.24	21.00	1.00	1.00
##000000	12.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CFE9

Deuteranopia (green-blind)

#AFBFE8

Tritanopia (blue-blind)

#00E0DC

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51d7e8;
/* rgb */ color: rgb(81, 215, 232);
/* oklch */ color: oklch(81.3% 0.117 207.0);

Tailwind

colors: {
  custom: {
    50: '#93e3ef',
    500: '#51d7e8',
    950: '#000000',
  },
}

SCSS

$custom: #51d7e8;
$custom-light: #93e3ef;
$custom-dark: #000000;

JSON

{
  "hex": "#51d7e8",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 232
  },
  "hsl": {
    "h": 186.755,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.81316,
    "c": 0.11666,
    "h": 207
  },
  "luminance": 0.56176
}

Semantic roles & 50–950 ramp

primary

#51D7E8

secondary

#AA4133

accent

#240DD9

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51D7E8

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

Preview Lab → · Contrast checker → · Palette generator →