#51CBDA#51CBDA

#51CBDA is a light, moderate teal. Relative luminance 0.495; OKLCH L 78.0% C 0.109 H 206.5°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#51CBDA
RGB	rgb(81, 203, 218)
HSL	hsl(187, 65%, 59%)
HSV	hsv(187, 63%, 85%)
CMYK	cmyk(62.8%, 6.9%, 0%, 14.5%)
CIE-LAB	lab(75.77, -29.18, -17.53)
CIE-LCH	lch(75.77, 34.05, 211.00°)
OKLab	oklab(77.99% -0.0975 -0.0486)
OKLCH	oklch(77.99% 0.109 206.5)
XYZ	xyz(37.3988, 49.5192, 73.9033)
Luminance	0.4952 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBDA #DA6051

analogous

#51DAA4 #51CBDA #5186DA

triadic

#51CBDA #DA51CB #CBDA51

tetradic

#51CBDA #A451DA #DA6051 #86DA51

square

#51CBDA #A451DA #DA6051 #86DA51

split-complementary

#51CBDA #DA5186 #DAA451

monochromatic

#1F8592 #2AB3C4 #51CBDA #83DAE5 #B6E9EF

Accessibility & contrast

On white

1.93

#51CBDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.90

#51CBDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBDA

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBDA	#FFFFFF	#000000	##000000
##51CBDA	1.00	1.93	10.90	10.90
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.90	21.00	1.00	1.00
##000000	10.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC3DB

Deuteranopia (green-blind)

#A7B4DA

Tritanopia (blue-blind)

#00D3CF

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51cbda;
/* rgb */ color: rgb(81, 203, 218);
/* oklch */ color: oklch(78.0% 0.109 206.5);

Tailwind

colors: {
  custom: {
    50: '#91dbe5',
    500: '#51cbda',
    950: '#000000',
  },
}

SCSS

$custom: #51cbda;
$custom-light: #91dbe5;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbda",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 218
  },
  "hsl": {
    "h": 186.569,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.77991,
    "c": 0.10891,
    "h": 206.5
  },
  "luminance": 0.49523
}

Semantic roles & 50–950 ramp

primary

#51CBDA

secondary

#DEAEA8

accent

#5240E8

background

#F9FDFE

surface

#F2FBFC

border

#CCD4D5

text

#0E1515

muted

#7E8384

Preview Lab

Preview with #51CBDA

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

Preview Lab → · Contrast checker → · Palette generator →