#51BEDC#51BEDC

#51BEDC is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.0% C 0.107 H 219.0°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#51BEDC
RGB	rgb(81, 190, 220)
HSL	hsl(193, 67%, 59%)
HSV	hsv(193, 63%, 86%)
CMYK	cmyk(63.2%, 13.6%, 0%, 13.7%)
CIE-LAB	lab(72.05, -22.12, -24.27)
CIE-LCH	lch(72.05, 32.84, 227.65°)
OKLab	oklab(75.02% -0.0833 -0.0675)
OKLCH	oklch(75.02% 0.107 219)
XYZ	xyz(34.7198, 43.7399, 74.3091)
Luminance	0.4374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BEDC #DC6F51

analogous

#51DCB5 #51BEDC #5179DC

triadic

#51BEDC #DC51BE #BEDC51

tetradic

#51BEDC #B551DC #DC6F51 #79DC51

square

#51BEDC #B551DC #DC6F51 #79DC51

split-complementary

#51BEDC #DC5179 #DCB551

monochromatic

#1E7B95 #28A5C8 #51BEDC #84D1E6 #B7E4F0

Accessibility & contrast

On white

2.15

#51BEDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.75

#51BEDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BEDC

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BEDC	#FFFFFF	#000000	##000000
##51BEDC	1.00	2.15	9.75	9.75
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.75	21.00	1.00	1.00
##000000	9.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB9DE

Deuteranopia (green-blind)

#97AADC

Tritanopia (blue-blind)

#00C8C7

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #51bedc;
/* rgb */ color: rgb(81, 190, 220);
/* oklch */ color: oklch(75.0% 0.107 219.0);

Tailwind

colors: {
  custom: {
    50: '#90d1e7',
    500: '#51bedc',
    950: '#000000',
  },
}

SCSS

$custom: #51bedc;
$custom-light: #90d1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51bedc",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 220
  },
  "hsl": {
    "h": 192.95,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.75024,
    "c": 0.10725,
    "h": 219
  },
  "luminance": 0.43744
}

Semantic roles & 50–950 ramp

primary

#51BEDC

secondary

#E0B5A9

accent

#633EE9

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #51BEDC

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

Preview Lab → · Contrast checker → · Palette generator →