#51AADC#51AADC

#51AADC is a light, moderate cyan. Relative luminance 0.357; OKLCH L 70.4% C 0.112 H 236.1°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#51AADC
RGB	rgb(81, 170, 220)
HSL	hsl(202, 67%, 59%)
HSV	hsv(202, 63%, 86%)
CMYK	cmyk(63.2%, 22.7%, 0%, 13.7%)
CIE-LAB	lab(66.26, -11.59, -33.19)
CIE-LCH	lch(66.26, 35.15, 250.76°)
OKLab	oklab(70.4% -0.0626 -0.0931)
OKLCH	oklch(70.4% 0.112 236.1)
XYZ	xyz(30.6814, 35.6630, 72.9630)
Luminance	0.3567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AADC #DC8351

analogous

#51DCC9 #51AADC #5165DC

triadic

#51AADC #DC51AA #AADC51

tetradic

#51AADC #C951DC #DC8351 #65DC51

square

#51AADC #C951DC #DC8351 #65DC51

split-complementary

#51AADC #DC5165 #DCC951

monochromatic

#1E6A95 #288EC8 #51AADC #84C3E6 #B7DCF0

Accessibility & contrast

On white

2.58

#51AADC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.13

#51AADC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AADC

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AADC	#FFFFFF	#000000	##000000
##51AADC	1.00	2.58	8.13	8.13
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.13	21.00	1.00	1.00
##000000	8.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A9DE

Deuteranopia (green-blind)

#7F9BDB

Tritanopia (blue-blind)

#00B7BB

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51aadc;
/* rgb */ color: rgb(81, 170, 220);
/* oklch */ color: oklch(70.4% 0.112 236.1);

Tailwind

colors: {
  custom: {
    50: '#8fc3e7',
    500: '#51aadc',
    950: '#000000',
  },
}

SCSS

$custom: #51aadc;
$custom-light: #8fc3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51aadc",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 220
  },
  "hsl": {
    "h": 201.583,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.70401,
    "c": 0.11218,
    "h": 236.1
  },
  "luminance": 0.35666
}

Semantic roles & 50–950 ramp

primary

#51AADC

secondary

#E0BDA9

accent

#7C3EE9

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51AADC

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

Preview Lab → · Contrast checker → · Palette generator →