#51BADB#51BADB

#51BADB is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.1% C 0.107 H 221.8°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#51BADB
RGB	rgb(81, 186, 219)
HSL	hsl(194, 66%, 59%)
HSV	hsv(194, 63%, 86%)
CMYK	cmyk(63%, 15.1%, 0%, 14.1%)
CIE-LAB	lab(70.86, -20.37, -25.56)
CIE-LCH	lch(70.86, 32.68, 231.44°)
OKLab	oklab(74.05% -0.0796 -0.0712)
OKLCH	oklch(74.05% 0.107 221.8)
XYZ	xyz(33.7333, 41.9781, 73.3289)
Luminance	0.4198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BADB #DB7251

analogous

#51DBB7 #51BADB #5175DB

triadic

#51BADB #DB51BA #BADB51

tetradic

#51BADB #B751DB #DB7251 #75DB51

square

#51BADB #B751DB #DB7251 #75DB51

split-complementary

#51BADB #DB5175 #DBB751

monochromatic

#1E7793 #29A0C6 #51BADB #84CEE5 #B6E2F0

Accessibility & contrast

On white

2.23

#51BADB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#51BADB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BADB

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BADB	#FFFFFF	#000000	##000000
##51BADB	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B6DD

Deuteranopia (green-blind)

#93A7DB

Tritanopia (blue-blind)

#00C4C4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51badb;
/* rgb */ color: rgb(81, 186, 219);
/* oklch */ color: oklch(74.1% 0.107 221.8);

Tailwind

colors: {
  custom: {
    50: '#90cfe6',
    500: '#51badb',
    950: '#000000',
  },
}

SCSS

$custom: #51badb;
$custom-light: #90cfe6;
$custom-dark: #000000;

JSON

{
  "hex": "#51badb",
  "rgb": {
    "r": 81,
    "g": 186,
    "b": 219
  },
  "hsl": {
    "h": 194.348,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.74052,
    "c": 0.10677,
    "h": 221.8
  },
  "luminance": 0.41982
}

Semantic roles & 50–950 ramp

primary

#51BADB

secondary

#DFB6A9

accent

#683FE9

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #51BADB

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

Preview Lab → · Contrast checker → · Palette generator →