#51A2CB#51A2CB

#51A2CB is a light, moderate cyan. Relative luminance 0.319; OKLCH L 67.8% C 0.100 H 232.9°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#51A2CB
RGB	rgb(81, 162, 203)
HSL	hsl(200, 54%, 56%)
HSV	hsv(200, 60%, 80%)
CMYK	cmyk(60.1%, 20.2%, 0%, 20.4%)
CIE-LAB	lab(63.26, -12.59, -28.42)
CIE-LCH	lch(63.26, 31.08, 246.10°)
OKLab	oklab(67.79% -0.06 -0.0794)
OKLCH	oklch(67.79% 0.1 232.9)
XYZ	xyz(27.0890, 31.8992, 61.2179)
Luminance	0.3190 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2CB #CB7A51

analogous

#51CBB7 #51A2CB #5165CB

triadic

#51A2CB #CB51A2 #A2CB51

tetradic

#51A2CB #B751CB #CB7A51 #65CB51

square

#51A2CB #B751CB #CB7A51 #65CB51

split-complementary

#51A2CB #CB5165 #CBB751

monochromatic

#255F7C #3383AC #51A2CB #80BBD9 #AFD4E7

Accessibility & contrast

On white

2.85

#51A2CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#51A2CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2CB

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2CB	#FFFFFF	#000000	##000000
##51A2CB	1.00	2.85	7.38	7.38
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA0CD

Deuteranopia (green-blind)

#7D94CA

Tritanopia (blue-blind)

#00ADB0

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #51a2cb;
/* rgb */ color: rgb(81, 162, 203);
/* oklch */ color: oklch(67.8% 0.100 232.9);

Tailwind

colors: {
  custom: {
    50: '#8cbddb',
    500: '#51a2cb',
    950: '#000000',
  },
}

SCSS

$custom: #51a2cb;
$custom-light: #8cbddb;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2cb",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 203
  },
  "hsl": {
    "h": 200.164,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.67789,
    "c": 0.09957,
    "h": 232.9
  },
  "luminance": 0.31902
}

Semantic roles & 50–950 ramp

primary

#51A2CB

secondary

#D5B4A3

accent

#7C4ADD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51A2CB

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

Preview Lab → · Contrast checker → · Palette generator →