#51AABC#51AABC

#51AABC is a light, moderate cyan. Relative luminance 0.341; OKLCH L 69.0% C 0.089 H 212.7°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#51AABC
RGB	rgb(81, 170, 188)
HSL	hsl(190, 44%, 53%)
HSV	hsv(190, 57%, 74%)
CMYK	cmyk(56.9%, 9.6%, 0%, 26.3%)
CIE-LAB	lab(65.06, -21.37, -17.30)
CIE-LCH	lch(65.06, 27.50, 219.00°)
OKLab	oklab(69.05% -0.0745 -0.0479)
OKLCH	oklch(69.05% 0.089 212.7)
XYZ	xyz(26.8415, 34.1270, 52.7398)
Luminance	0.3413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AABC #BC6351

analogous

#51BC98 #51AABC #5175BC

triadic

#51AABC #BC51AA #AABC51

tetradic

#51AABC #9851BC #BC6351 #75BC51

square

#51AABC #9851BC #BC6351 #75BC51

split-complementary

#51AABC #BC5175 #BC9851

monochromatic

#295F6A #3A8796 #51AABC #7DC0CD #A9D5DE

Accessibility & contrast

On white

2.68

#51AABC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#51AABC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AABC

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AABC	#FFFFFF	#000000	##000000
##51AABC	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CA5BD

Deuteranopia (green-blind)

#8C99BC

Tritanopia (blue-blind)

#00B1AF

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51aabc;
/* rgb */ color: rgb(81, 170, 188);
/* oklch */ color: oklch(69.0% 0.089 212.7);

Tailwind

colors: {
  custom: {
    50: '#8bc3d0',
    500: '#51aabc',
    950: '#000000',
  },
}

SCSS

$custom: #51aabc;
$custom-light: #8bc3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51aabc",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 188
  },
  "hsl": {
    "h": 190.093,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.69048,
    "c": 0.08861,
    "h": 212.7
  },
  "luminance": 0.3413
}

Semantic roles & 50–950 ramp

primary

#51AABC

secondary

#CCA59D

accent

#6954D4

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1214

muted

#7E8182

Preview Lab

Preview with #51AABC

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

Preview Lab → · Contrast checker → · Palette generator →