#51ABBE#51ABBE

#51ABBE is a light, moderate cyan. Relative luminance 0.346; OKLCH L 69.4% C 0.090 H 213.5°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#51ABBE
RGB	rgb(81, 171, 190)
HSL	hsl(190, 46%, 53%)
HSV	hsv(190, 57%, 75%)
CMYK	cmyk(57.4%, 10%, 0%, 25.5%)
CIE-LAB	lab(65.43, -21.30, -17.86)
CIE-LCH	lch(65.43, 27.80, 219.98°)
OKLab	oklab(69.36% -0.0748 -0.0495)
OKLCH	oklch(69.36% 0.09 213.5)
XYZ	xyz(27.2468, 34.5902, 53.9459)
Luminance	0.3459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABBE #BE6451

analogous

#51BE9B #51ABBE #5174BE

triadic

#51ABBE #BE51AB #ABBE51

tetradic

#51ABBE #9B51BE #BE6451 #74BE51

square

#51ABBE #9B51BE #BE6451 #74BE51

split-complementary

#51ABBE #BE5174 #BE9B51

monochromatic

#28606C #398899 #51ABBE #7EC1CF #AAD6DF

Accessibility & contrast

On white

2.65

#51ABBE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#51ABBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABBE

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABBE	#FFFFFF	#000000	##000000
##51ABBE	1.00	2.65	7.92	7.92
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.92	21.00	1.00	1.00
##000000	7.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DA6BF

Deuteranopia (green-blind)

#8C9ABE

Tritanopia (blue-blind)

#00B3B1

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #51abbe;
/* rgb */ color: rgb(81, 171, 190);
/* oklch */ color: oklch(69.4% 0.090 213.5);

Tailwind

colors: {
  custom: {
    50: '#8cc4d1',
    500: '#51abbe',
    950: '#000000',
  },
}

SCSS

$custom: #51abbe;
$custom-light: #8cc4d1;
$custom-dark: #000000;

JSON

{
  "hex": "#51abbe",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 190
  },
  "hsl": {
    "h": 190.459,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.69363,
    "c": 0.08971,
    "h": 213.5
  },
  "luminance": 0.34593
}

Semantic roles & 50–950 ramp

primary

#51ABBE

secondary

#CDA69E

accent

#6953D5

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1214

muted

#7E8182

Preview Lab

Preview with #51ABBE

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

Preview Lab → · Contrast checker → · Palette generator →