#51D7ED#51D7ED

#51D7ED is a light, moderate teal. Relative luminance 0.565; OKLCH L 81.5% C 0.118 H 210.4°. Best body text is #000000 at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#51D7ED
RGB	rgb(81, 215, 237)
HSL	hsl(188, 81%, 62%)
HSV	hsv(188, 66%, 93%)
CMYK	cmyk(65.8%, 9.3%, 0%, 7.1%)
CIE-LAB	lab(79.87, -29.50, -21.51)
CIE-LCH	lch(79.87, 36.51, 216.11°)
OKLab	oklab(81.5% -0.102 -0.0598)
OKLCH	oklch(81.5% 0.118 210.4)
XYZ	xyz(42.9734, 56.4599, 88.7374)
Luminance	0.5646 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D7ED #ED6751

analogous

#51EDB5 #51D7ED #5189ED

triadic

#51D7ED #ED51D7 #D7ED51

tetradic

#51D7ED #B551ED #ED6751 #89ED51

square

#51D7ED #B551ED #ED6751 #89ED51

split-complementary

#51D7ED #ED5189 #EDB551

monochromatic

#129BB1 #1ACAE7 #51D7ED #88E4F3 #C0F0F8

Accessibility & contrast

On white

1.71

#51D7ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.29

#51D7ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7ED

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D7ED	#FFFFFF	#000000	##000000
##51D7ED	1.00	1.71	12.29	12.29
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.29	21.00	1.00	1.00
##000000	12.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4D0EE

Deuteranopia (green-blind)

#AEBFED

Tritanopia (blue-blind)

#00E1DE

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51d7ed;
/* rgb */ color: rgb(81, 215, 237);
/* oklch */ color: oklch(81.5% 0.118 210.4);

Tailwind

colors: {
  custom: {
    50: '#94e3f2',
    500: '#51d7ed',
    950: '#000000',
  },
}

SCSS

$custom: #51d7ed;
$custom-light: #94e3f2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d7ed",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 237
  },
  "hsl": {
    "h": 188.462,
    "s": 81.25,
    "l": 62.353
  },
  "oklch": {
    "l": 0.81502,
    "c": 0.11818,
    "h": 210.4
  },
  "luminance": 0.56465
}

Semantic roles & 50–950 ramp

primary

#51D7ED

secondary

#B14331

accent

#2608DE

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #51D7ED

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

Preview Lab → · Contrast checker → · Palette generator →