#51D4E8#51D4E8

#51D4E8 is a light, moderate teal. Relative luminance 0.547; OKLCH L 80.6% C 0.116 H 209.3°. Best body text is #000000 at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#51D4E8
RGB	rgb(81, 212, 232)
HSL	hsl(188, 77%, 61%)
HSV	hsv(188, 65%, 91%)
CMYK	cmyk(65.1%, 8.6%, 0%, 9%)
CIE-LAB	lab(78.84, -29.50, -20.41)
CIE-LCH	lch(78.84, 35.87, 214.67°)
OKLab	oklab(80.62% -0.1009 -0.0567)
OKLCH	oklch(80.62% 0.116 209.3)
XYZ	xyz(41.4962, 54.6579, 84.6914)
Luminance	0.5466 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4E8 #E86551

analogous

#51E8B1 #51D4E8 #5189E8

triadic

#51D4E8 #E851D4 #D4E851

tetradic

#51D4E8 #B151E8 #E86551 #89E851

square

#51D4E8 #B151E8 #E86551 #89E851

split-complementary

#51D4E8 #E85189 #E8B151

monochromatic

#1695A8 #1DC5DE #51D4E8 #87E1EF #BDEFF6

Accessibility & contrast

On white

1.76

#51D4E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.93

#51D4E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4E8

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4E8	#FFFFFF	#000000	##000000
##51D4E8	1.00	1.76	11.93	11.93
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.93	21.00	1.00	1.00
##000000	11.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2CCE9

Deuteranopia (green-blind)

#ACBCE8

Tritanopia (blue-blind)

#00DDDA

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d4e8;
/* rgb */ color: rgb(81, 212, 232);
/* oklch */ color: oklch(80.6% 0.116 209.3);

Tailwind

colors: {
  custom: {
    50: '#93e1ef',
    500: '#51d4e8',
    950: '#000000',
  },
}

SCSS

$custom: #51d4e8;
$custom-light: #93e1ef;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4e8",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 232
  },
  "hsl": {
    "h": 187.947,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.80617,
    "c": 0.11576,
    "h": 209.3
  },
  "luminance": 0.54662
}

Semantic roles & 50–950 ramp

primary

#51D4E8

secondary

#AA4333

accent

#280DD9

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51D4E8

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

Preview Lab → · Contrast checker → · Palette generator →