#51AECB#51AECB

#51AECB is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.6% C 0.097 H 221.3°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#51AECB
RGB	rgb(81, 174, 203)
HSL	hsl(194, 54%, 56%)
HSV	hsv(194, 60%, 80%)
CMYK	cmyk(60.1%, 14.3%, 0%, 20.4%)
CIE-LAB	lab(66.77, -18.99, -23.02)
CIE-LCH	lch(66.77, 29.85, 230.48°)
OKLab	oklab(70.59% -0.073 -0.064)
OKLCH	oklch(70.59% 0.097 221.3)
XYZ	xyz(29.3046, 36.3303, 61.9564)
Luminance	0.3633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AECB #CB6E51

analogous

#51CBAB #51AECB #5171CB

triadic

#51AECB #CB51AE #AECB51

tetradic

#51AECB #AB51CB #CB6E51 #71CB51

square

#51AECB #AB51CB #CB6E51 #71CB51

split-complementary

#51AECB #CB5171 #CBAB51

monochromatic

#25687C #338FAC #51AECB #80C4D9 #AFDAE7

Accessibility & contrast

On white

2.54

#51AECB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.27

#51AECB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AECB

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AECB	#FFFFFF	#000000	##000000
##51AECB	1.00	2.54	8.27	8.27
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.27	21.00	1.00	1.00
##000000	8.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DAACD

Deuteranopia (green-blind)

#8B9DCB

Tritanopia (blue-blind)

#00B7B7

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51aecb;
/* rgb */ color: rgb(81, 174, 203);
/* oklch */ color: oklch(70.6% 0.097 221.3);

Tailwind

colors: {
  custom: {
    50: '#8dc6db',
    500: '#51aecb',
    950: '#000000',
  },
}

SCSS

$custom: #51aecb;
$custom-light: #8dc6db;
$custom-dark: #000000;

JSON

{
  "hex": "#51aecb",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 203
  },
  "hsl": {
    "h": 194.262,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.70591,
    "c": 0.09709,
    "h": 221.3
  },
  "luminance": 0.36333
}

Semantic roles & 50–950 ramp

primary

#51AECB

secondary

#D5AFA3

accent

#6D4ADD

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #51AECB

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

Preview Lab → · Contrast checker → · Palette generator →