#51D2E8#51D2E8

#51D2E8 is a light, moderate teal. Relative luminance 0.537; OKLCH L 80.2% C 0.115 H 210.9°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#51D2E8
RGB	rgb(81, 210, 232)
HSL	hsl(189, 77%, 61%)
HSV	hsv(189, 65%, 91%)
CMYK	cmyk(65.1%, 9.5%, 0%, 9%)
CIE-LAB	lab(78.27, -28.53, -21.28)
CIE-LCH	lch(78.27, 35.59, 216.73°)
OKLab	oklab(80.15% -0.0989 -0.0591)
OKLCH	oklch(80.15% 0.115 210.9)
XYZ	xyz(40.9993, 53.6642, 84.5258)
Luminance	0.5367 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D2E8 #E86751

analogous

#51E8B3 #51D2E8 #5187E8

triadic

#51D2E8 #E851D2 #D2E851

tetradic

#51D2E8 #B351E8 #E86751 #87E851

square

#51D2E8 #B351E8 #E86751 #87E851

split-complementary

#51D2E8 #E85187 #E8B351

monochromatic

#1693A8 #1DC2DE #51D2E8 #87E0EF #BDEEF6

Accessibility & contrast

On white

1.79

#51D2E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#51D2E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2E8

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D2E8	#FFFFFF	#000000	##000000
##51D2E8	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CBE9

Deuteranopia (green-blind)

#AABBE8

Tritanopia (blue-blind)

#00DCD9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d2e8;
/* rgb */ color: rgb(81, 210, 232);
/* oklch */ color: oklch(80.2% 0.115 210.9);

Tailwind

colors: {
  custom: {
    50: '#93e0ef',
    500: '#51d2e8',
    950: '#000000',
  },
}

SCSS

$custom: #51d2e8;
$custom-light: #93e0ef;
$custom-dark: #000000;

JSON

{
  "hex": "#51d2e8",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 232
  },
  "hsl": {
    "h": 188.742,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.80151,
    "c": 0.11527,
    "h": 210.9
  },
  "luminance": 0.53669
}

Semantic roles & 50–950 ramp

primary

#51D2E8

secondary

#AA4533

accent

#2A0DD9

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51D2E8

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

Preview Lab → · Contrast checker → · Palette generator →