#51ADDA#51ADDA

#51ADDA is a light, moderate cyan. Relative luminance 0.367; OKLCH L 71.0% C 0.109 H 232.4°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#51ADDA
RGB	rgb(81, 173, 218)
HSL	hsl(200, 65%, 59%)
HSV	hsv(200, 63%, 85%)
CMYK	cmyk(62.8%, 20.6%, 0%, 14.5%)
CIE-LAB	lab(67.05, -13.84, -30.87)
CIE-LCH	lch(67.05, 33.83, 245.85°)
OKLab	oklab(71% -0.0664 -0.0864)
OKLCH	oklch(71% 0.109 232.4)
XYZ	xyz(30.9869, 36.6953, 71.7659)
Luminance	0.3670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ADDA #DA7E51

analogous

#51DAC2 #51ADDA #5168DA

triadic

#51ADDA #DA51AD #ADDA51

tetradic

#51ADDA #C251DA #DA7E51 #68DA51

square

#51ADDA #C251DA #DA7E51 #68DA51

split-complementary

#51ADDA #DA5168 #DAC251

monochromatic

#1F6C92 #2A91C4 #51ADDA #83C5E5 #B6DDEF

Accessibility & contrast

On white

2.52

#51ADDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#51ADDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ADDA

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ADDA	#FFFFFF	#000000	##000000
##51ADDA	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97ABDC

Deuteranopia (green-blind)

#849DD9

Tritanopia (blue-blind)

#00B9BC

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51adda;
/* rgb */ color: rgb(81, 173, 218);
/* oklch */ color: oklch(71.0% 0.109 232.4);

Tailwind

colors: {
  custom: {
    50: '#8fc5e5',
    500: '#51adda',
    950: '#000000',
  },
}

SCSS

$custom: #51adda;
$custom-light: #8fc5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#51adda",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 218
  },
  "hsl": {
    "h": 199.708,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.71,
    "c": 0.10898,
    "h": 232.4
  },
  "luminance": 0.36698
}

Semantic roles & 50–950 ramp

primary

#51ADDA

secondary

#DEBAA8

accent

#7740E8

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #51ADDA

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

Preview Lab → · Contrast checker → · Palette generator →