#51A0CD#51A0CD

#51A0CD is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.4% C 0.102 H 236.0°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#51A0CD
RGB	rgb(81, 160, 205)
HSL	hsl(202, 55%, 56%)
HSV	hsv(202, 60%, 80%)
CMYK	cmyk(60.5%, 22%, 0%, 19.6%)
CIE-LAB	lab(62.76, -10.87, -30.31)
CIE-LCH	lch(62.76, 32.20, 250.27°)
OKLab	oklab(67.42% -0.0572 -0.0848)
OKLCH	oklch(67.42% 0.102 236)
XYZ	xyz(26.9794, 31.2961, 62.3647)
Luminance	0.3130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A0CD #CD7E51

analogous

#51CDBC #51A0CD #5162CD

triadic

#51A0CD #CD51A0 #A0CD51

tetradic

#51A0CD #BC51CD #CD7E51 #62CD51

square

#51A0CD #BC51CD #CD7E51 #62CD51

split-complementary

#51A0CD #CD5162 #CDBC51

monochromatic

#255E7F #3281AF #51A0CD #81BADB #B0D4E8

Accessibility & contrast

On white

2.89

#51A0CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#51A0CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A0CD

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A0CD	#FFFFFF	#000000	##000000
##51A0CD	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9FCF

Deuteranopia (green-blind)

#7A92CC

Tritanopia (blue-blind)

#00ACAF

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #51a0cd;
/* rgb */ color: rgb(81, 160, 205);
/* oklch */ color: oklch(67.4% 0.102 236.0);

Tailwind

colors: {
  custom: {
    50: '#8dbcdc',
    500: '#51a0cd',
    950: '#000000',
  },
}

SCSS

$custom: #51a0cd;
$custom-light: #8dbcdc;
$custom-dark: #000000;

JSON

{
  "hex": "#51a0cd",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 205
  },
  "hsl": {
    "h": 201.774,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.67416,
    "c": 0.10231,
    "h": 236
  },
  "luminance": 0.31299
}

Semantic roles & 50–950 ramp

primary

#51A0CD

secondary

#D7B6A3

accent

#7F49DF

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51A0CD

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

Preview Lab → · Contrast checker → · Palette generator →