#51ABC2#51ABC2

#51ABC2 is a light, moderate cyan. Relative luminance 0.348; OKLCH L 69.5% C 0.092 H 217.0°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#51ABC2
RGB	rgb(81, 171, 194)
HSL	hsl(192, 48%, 54%)
HSV	hsv(192, 58%, 76%)
CMYK	cmyk(58.2%, 11.9%, 0%, 23.9%)
CIE-LAB	lab(65.57, -20.12, -19.87)
CIE-LCH	lch(65.57, 28.28, 224.64°)
OKLab	oklab(69.52% -0.0732 -0.0551)
OKLCH	oklch(69.52% 0.092 217)
XYZ	xyz(27.6900, 34.7675, 56.2800)
Luminance	0.3477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABC2 #C26851

analogous

#51C2A1 #51ABC2 #5173C2

triadic

#51ABC2 #C251AB #ABC251

tetradic

#51ABC2 #A151C2 #C26851 #73C251

square

#51ABC2 #A151C2 #C26851 #73C251

split-complementary

#51ABC2 #C25173 #C2A151

monochromatic

#286271 #37899E #51ABC2 #7EC1D2 #ACD7E2

Accessibility & contrast

On white

2.64

#51ABC2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#51ABC2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABC2

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABC2	#FFFFFF	#000000	##000000
##51ABC2	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CA6C3

Deuteranopia (green-blind)

#8B9AC2

Tritanopia (blue-blind)

#00B3B2

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #51abc2;
/* rgb */ color: rgb(81, 171, 194);
/* oklch */ color: oklch(69.5% 0.092 217.0);

Tailwind

colors: {
  custom: {
    50: '#8cc4d4',
    500: '#51abc2',
    950: '#000000',
  },
}

SCSS

$custom: #51abc2;
$custom-light: #8cc4d4;
$custom-dark: #000000;

JSON

{
  "hex": "#51abc2",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 194
  },
  "hsl": {
    "h": 192.212,
    "s": 48.085,
    "l": 53.922
  },
  "oklch": {
    "l": 0.69521,
    "c": 0.09167,
    "h": 217
  },
  "luminance": 0.3477
}

Semantic roles & 50–950 ramp

primary

#51ABC2

secondary

#D0A99F

accent

#6C50D8

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1214

muted

#7E8183

Preview Lab

Preview with #51ABC2

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

Preview Lab → · Contrast checker → · Palette generator →