#51AADA#51AADA

#51AADA is a light, moderate cyan. Relative luminance 0.356; OKLCH L 70.3% C 0.110 H 235.0°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#51AADA
RGB	rgb(81, 170, 218)
HSL	hsl(201, 65%, 59%)
HSV	hsv(201, 63%, 85%)
CMYK	cmyk(62.8%, 22%, 0%, 14.5%)
CIE-LAB	lab(66.18, -12.22, -32.21)
CIE-LCH	lch(66.18, 34.45, 249.22°)
OKLab	oklab(70.31% -0.0633 -0.0903)
OKLCH	oklch(70.31% 0.11 235)
XYZ	xyz(30.4181, 35.5577, 71.5763)
Luminance	0.3556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AADA #DA8151

analogous

#51DAC5 #51AADA #5165DA

triadic

#51AADA #DA51AA #AADA51

tetradic

#51AADA #C551DA #DA8151 #65DA51

square

#51AADA #C551DA #DA8151 #65DA51

split-complementary

#51AADA #DA5165 #DAC551

monochromatic

#1F6992 #2A8EC4 #51AADA #83C3E5 #B6DBEF

Accessibility & contrast

On white

2.59

#51AADA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#51AADA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AADA

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AADA	#FFFFFF	#000000	##000000
##51AADA	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A9DC

Deuteranopia (green-blind)

#809BD9

Tritanopia (blue-blind)

#00B7BA

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51aada;
/* rgb */ color: rgb(81, 170, 218);
/* oklch */ color: oklch(70.3% 0.110 235.0);

Tailwind

colors: {
  custom: {
    50: '#8fc3e5',
    500: '#51aada',
    950: '#000000',
  },
}

SCSS

$custom: #51aada;
$custom-light: #8fc3e5;
$custom-dark: #000000;

JSON

{
  "hex": "#51aada",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 218
  },
  "hsl": {
    "h": 201.022,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.7031,
    "c": 0.11024,
    "h": 235
  },
  "luminance": 0.35561
}

Semantic roles & 50–950 ramp

primary

#51AADA

secondary

#DEBBA8

accent

#7B40E8

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #51AADA

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

Preview Lab → · Contrast checker → · Palette generator →