#51BED7#51BED7

#51BED7 is a light, moderate cyan. Relative luminance 0.435; OKLCH L 74.8% C 0.105 H 215.4°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#51BED7
RGB	rgb(81, 190, 215)
HSL	hsl(191, 63%, 58%)
HSV	hsv(191, 62%, 84%)
CMYK	cmyk(62.3%, 11.6%, 0%, 15.7%)
CIE-LAB	lab(71.88, -23.62, -21.81)
CIE-LCH	lch(71.88, 32.15, 222.73°)
OKLab	oklab(74.83% -0.0852 -0.0606)
OKLCH	oklch(74.83% 0.105 215.4)
XYZ	xyz(34.0675, 43.4790, 70.8737)
Luminance	0.4348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BED7 #D76A51

analogous

#51D7AD #51BED7 #517BD7

triadic

#51BED7 #D751BE #BED751

tetradic

#51BED7 #AD51D7 #D76A51 #7BD751

square

#51BED7 #AD51D7 #D76A51 #7BD751

split-complementary

#51BED7 #D7517B #D7AD51

monochromatic

#20798D #2CA3BF #51BED7 #83D1E2 #B5E3EE

Accessibility & contrast

On white

2.17

#51BED7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#51BED7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BED7

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BED7	#FFFFFF	#000000	##000000
##51BED7	1.00	2.17	9.70	9.70
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB8D8

Deuteranopia (green-blind)

#99AAD7

Tritanopia (blue-blind)

#00C7C6

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51bed7;
/* rgb */ color: rgb(81, 190, 215);
/* oklch */ color: oklch(74.8% 0.105 215.4);

Tailwind

colors: {
  custom: {
    50: '#8fd1e3',
    500: '#51bed7',
    950: '#000000',
  },
}

SCSS

$custom: #51bed7;
$custom-light: #8fd1e3;
$custom-dark: #000000;

JSON

{
  "hex": "#51bed7",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 215
  },
  "hsl": {
    "h": 191.194,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.74825,
    "c": 0.10459,
    "h": 215.4
  },
  "luminance": 0.43483
}

Semantic roles & 50–950 ramp

primary

#51BED7

secondary

#DDB1A7

accent

#6142E6

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #51BED7

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

Preview Lab → · Contrast checker → · Palette generator →