#51BADD#51BADD

#51BADD is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.1% C 0.108 H 223.2°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#51BADD
RGB	rgb(81, 186, 221)
HSL	hsl(195, 67%, 59%)
HSV	hsv(195, 63%, 87%)
CMYK	cmyk(63.3%, 15.8%, 0%, 13.3%)
CIE-LAB	lab(70.93, -19.76, -26.54)
CIE-LCH	lch(70.93, 33.09, 233.32°)
OKLab	oklab(74.13% -0.0788 -0.074)
OKLCH	oklch(74.13% 0.108 223.2)
XYZ	xyz(33.9982, 42.0840, 74.7239)
Luminance	0.4209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BADD #DD7451

analogous

#51DDBA #51BADD #5174DD

triadic

#51BADD #DD51BA #BADD51

tetradic

#51BADD #BA51DD #DD7451 #74DD51

square

#51BADD #BA51DD #DD7451 #74DD51

split-complementary

#51BADD #DD5174 #DDBA51

monochromatic

#1D7896 #27A1C9 #51BADD #84CEE7 #B7E3F1

Accessibility & contrast

On white

2.23

#51BADD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#51BADD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BADD

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BADD	#FFFFFF	#000000	##000000
##51BADD	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B6DF

Deuteranopia (green-blind)

#92A7DD

Tritanopia (blue-blind)

#00C5C5

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51badd;
/* rgb */ color: rgb(81, 186, 221);
/* oklch */ color: oklch(74.1% 0.108 223.2);

Tailwind

colors: {
  custom: {
    50: '#90cee7',
    500: '#51badd',
    950: '#000000',
  },
}

SCSS

$custom: #51badd;
$custom-light: #90cee7;
$custom-dark: #000000;

JSON

{
  "hex": "#51badd",
  "rgb": {
    "r": 81,
    "g": 186,
    "b": 221
  },
  "hsl": {
    "h": 195,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.74135,
    "c": 0.1081,
    "h": 223.2
  },
  "luminance": 0.42088
}

Semantic roles & 50–950 ramp

primary

#51BADD

secondary

#E0B7AA

accent

#693EEA

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #51BADD

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

Preview Lab → · Contrast checker → · Palette generator →