#51D2E4#51D2E4

#51D2E4 is a light, moderate teal. Relative luminance 0.534; OKLCH L 80.0% C 0.114 H 208.1°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#51D2E4
RGB	rgb(81, 210, 228)
HSL	hsl(187, 73%, 61%)
HSV	hsv(187, 64%, 89%)
CMYK	cmyk(64.5%, 7.9%, 0%, 10.6%)
CIE-LAB	lab(78.13, -29.69, -19.34)
CIE-LCH	lch(78.13, 35.44, 213.08°)
OKLab	oklab(80% -0.1005 -0.0537)
OKLCH	oklch(80% 0.114 208.1)
XYZ	xyz(40.4376, 53.4395, 81.5675)
Luminance	0.5344 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D2E4 #E46351

analogous

#51E4AC #51D2E4 #5188E4

triadic

#51D2E4 #E451D2 #D2E451

tetradic

#51D2E4 #AC51E4 #E46351 #88E451

square

#51D2E4 #AC51E4 #E46351 #88E451

split-complementary

#51D2E4 #E45188 #E4AC51

monochromatic

#1991A2 #21C0D7 #51D2E4 #86E0EC #BBEDF4

Accessibility & contrast

On white

1.80

#51D2E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.69

#51D2E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2E4

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D2E4	#FFFFFF	#000000	##000000
##51D2E4	1.00	1.80	11.69	11.69
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.69	21.00	1.00	1.00
##000000	11.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CAE5

Deuteranopia (green-blind)

#ABBAE4

Tritanopia (blue-blind)

#00DBD7

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d2e4;
/* rgb */ color: rgb(81, 210, 228);
/* oklch */ color: oklch(80.0% 0.114 208.1);

Tailwind

colors: {
  custom: {
    50: '#92e0ec',
    500: '#51d2e4',
    950: '#000000',
  },
}

SCSS

$custom: #51d2e4;
$custom-light: #92e0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#51d2e4",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 228
  },
  "hsl": {
    "h": 187.347,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.80001,
    "c": 0.11397,
    "h": 208.1
  },
  "luminance": 0.53444
}

Semantic roles & 50–950 ramp

primary

#51D2E4

secondary

#A44335

accent

#2810D5

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D2E4

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

Preview Lab → · Contrast checker → · Palette generator →