#51ABDC#51ABDC

#51ABDC is a light, moderate cyan. Relative luminance 0.360; OKLCH L 70.6% C 0.112 H 235.3°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#51ABDC
RGB	rgb(81, 171, 220)
HSL	hsl(201, 67%, 59%)
HSV	hsv(201, 63%, 86%)
CMYK	cmyk(63.2%, 22.3%, 0%, 13.7%)
CIE-LAB	lab(66.55, -12.13, -32.74)
CIE-LCH	lch(66.55, 34.91, 249.67°)
OKLab	oklab(70.63% -0.0636 -0.0918)
OKLCH	oklch(70.63% 0.112 235.3)
XYZ	xyz(30.8695, 36.0393, 73.0257)
Luminance	0.3604 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABDC #DC8251

analogous

#51DCC8 #51ABDC #5166DC

triadic

#51ABDC #DC51AB #ABDC51

tetradic

#51ABDC #C851DC #DC8251 #66DC51

square

#51ABDC #C851DC #DC8251 #66DC51

split-complementary

#51ABDC #DC5166 #DCC851

monochromatic

#1E6B95 #288FC8 #51ABDC #84C4E6 #B7DCF0

Accessibility & contrast

On white

2.56

#51ABDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#51ABDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABDC

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABDC	#FFFFFF	#000000	##000000
##51ABDC	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94AADE

Deuteranopia (green-blind)

#809CDB

Tritanopia (blue-blind)

#00B8BB

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51abdc;
/* rgb */ color: rgb(81, 171, 220);
/* oklch */ color: oklch(70.6% 0.112 235.3);

Tailwind

colors: {
  custom: {
    50: '#8fc4e7',
    500: '#51abdc',
    950: '#000000',
  },
}

SCSS

$custom: #51abdc;
$custom-light: #8fc4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51abdc",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 220
  },
  "hsl": {
    "h": 201.151,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.7063,
    "c": 0.11168,
    "h": 235.3
  },
  "luminance": 0.36042
}

Semantic roles & 50–950 ramp

primary

#51ABDC

secondary

#E0BCA9

accent

#7B3EE9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51ABDC

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

Preview Lab → · Contrast checker → · Palette generator →