#51DAF2#51DAF2

#51DAF2 is a very light, vivid teal. Relative luminance 0.583; OKLCH L 82.4% C 0.121 H 211.4°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#51DAF2
RGB	rgb(81, 218, 242)
HSL	hsl(189, 86%, 63%)
HSV	hsv(189, 67%, 95%)
CMYK	cmyk(66.5%, 9.9%, 0%, 5.1%)
CIE-LAB	lab(80.90, -29.48, -22.61)
CIE-LCH	lch(80.90, 37.16, 217.49°)
OKLab	oklab(82.39% -0.103 -0.0628)
OKLCH	oklch(82.39% 0.121 211.4)
XYZ	xyz(44.4850, 58.2980, 92.8954)
Luminance	0.5830 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DAF2 #F26951

analogous

#51F2B9 #51DAF2 #5189F2

triadic

#51DAF2 #F251DA #DAF251

tetradic

#51DAF2 #B951F2 #F26951 #89F251

square

#51DAF2 #B951F2 #F26951 #89F251

split-complementary

#51DAF2 #F25189 #F2B951

monochromatic

#0EA1BB #18CEEE #51DAF2 #8AE6F6 #C3F2FB

Accessibility & contrast

On white

1.66

#51DAF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.66

#51DAF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DAF2

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DAF2	#FFFFFF	#000000	##000000
##51DAF2	1.00	1.66	12.66	12.66
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.66	21.00	1.00	1.00
##000000	12.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D3F3

Deuteranopia (green-blind)

#AFC2F2

Tritanopia (blue-blind)

#00E4E1

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51daf2;
/* rgb */ color: rgb(81, 218, 242);
/* oklch */ color: oklch(82.4% 0.121 211.4);

Tailwind

colors: {
  custom: {
    50: '#94e5f6',
    500: '#51daf2',
    950: '#000000',
  },
}

SCSS

$custom: #51daf2;
$custom-light: #94e5f6;
$custom-dark: #000000;

JSON

{
  "hex": "#51daf2",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 242
  },
  "hsl": {
    "h": 188.944,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.82386,
    "c": 0.12063,
    "h": 211.4
  },
  "luminance": 0.58303
}

Semantic roles & 50–950 ramp

primary

#51DAF2

secondary

#B9432E

accent

#2403E3

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DAF2

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

Preview Lab → · Contrast checker → · Palette generator →