#51ADDC#51ADDC

#51ADDC is a light, moderate cyan. Relative luminance 0.368; OKLCH L 71.1% C 0.111 H 233.6°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#51ADDC
RGB	rgb(81, 173, 220)
HSL	hsl(200, 67%, 59%)
HSV	hsv(200, 63%, 86%)
CMYK	cmyk(63.2%, 21.4%, 0%, 13.7%)
CIE-LAB	lab(67.13, -13.21, -31.84)
CIE-LCH	lch(67.13, 34.48, 247.47°)
OKLab	oklab(71.09% -0.0657 -0.0892)
OKLCH	oklch(71.09% 0.111 233.6)
XYZ	xyz(31.2502, 36.8006, 73.1526)
Luminance	0.3680 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ADDC #DC8051

analogous

#51DCC6 #51ADDC #5168DC

triadic

#51ADDC #DC51AD #ADDC51

tetradic

#51ADDC #C651DC #DC8051 #68DC51

square

#51ADDC #C651DC #DC8051 #68DC51

split-complementary

#51ADDC #DC5168 #DCC651

monochromatic

#1E6D95 #2892C8 #51ADDC #84C5E6 #B7DDF0

Accessibility & contrast

On white

2.51

#51ADDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.36

#51ADDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ADDC

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ADDC	#FFFFFF	#000000	##000000
##51ADDC	1.00	2.51	8.36	8.36
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.36	21.00	1.00	1.00
##000000	8.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96ABDE

Deuteranopia (green-blind)

#839DDB

Tritanopia (blue-blind)

#00BABD

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51addc;
/* rgb */ color: rgb(81, 173, 220);
/* oklch */ color: oklch(71.1% 0.111 233.6);

Tailwind

colors: {
  custom: {
    50: '#8fc5e7',
    500: '#51addc',
    950: '#000000',
  },
}

SCSS

$custom: #51addc;
$custom-light: #8fc5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51addc",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 220
  },
  "hsl": {
    "h": 200.288,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.71089,
    "c": 0.1108,
    "h": 233.6
  },
  "luminance": 0.36804
}

Semantic roles & 50–950 ramp

primary

#51ADDC

secondary

#E0BCA9

accent

#783EE9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51ADDC

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

Preview Lab → · Contrast checker → · Palette generator →