#51A2D1#51A2D1

#51A2D1 is a light, moderate cyan. Relative luminance 0.322; OKLCH L 68.1% C 0.105 H 236.6°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#51A2D1
RGB	rgb(81, 162, 209)
HSL	hsl(202, 58%, 57%)
HSV	hsv(202, 61%, 82%)
CMYK	cmyk(61.2%, 22.5%, 0%, 18%)
CIE-LAB	lab(63.50, -10.70, -31.38)
CIE-LCH	lch(63.50, 33.16, 251.17°)
OKLab	oklab(68.06% -0.0579 -0.0879)
OKLCH	oklch(68.06% 0.105 236.6)
XYZ	xyz(27.8179, 32.1907, 65.0567)
Luminance	0.3219 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2D1 #D18051

analogous

#51D1C0 #51A2D1 #5162D1

triadic

#51A2D1 #D151A2 #A2D151

tetradic

#51A2D1 #C051D1 #D18051 #62D151

square

#51A2D1 #C051D1 #D18051 #62D151

split-complementary

#51A2D1 #D15162 #D1C051

monochromatic

#236185 #3084B5 #51A2D1 #81BCDE #B2D6EB

Accessibility & contrast

On white

2.82

#51A2D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#51A2D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2D1

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2D1	#FFFFFF	#000000	##000000
##51A2D1	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA1D3

Deuteranopia (green-blind)

#7A94D0

Tritanopia (blue-blind)

#00AEB2

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #51a2d1;
/* rgb */ color: rgb(81, 162, 209);
/* oklch */ color: oklch(68.1% 0.105 236.6);

Tailwind

colors: {
  custom: {
    50: '#8dbddf',
    500: '#51a2d1',
    950: '#000000',
  },
}

SCSS

$custom: #51a2d1;
$custom-light: #8dbddf;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2d1",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 209
  },
  "hsl": {
    "h": 202.031,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.6806,
    "c": 0.1053,
    "h": 236.6
  },
  "luminance": 0.32193
}

Semantic roles & 50–950 ramp

primary

#51A2D1

secondary

#D9B8A5

accent

#7F46E1

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51A2D1

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

Preview Lab → · Contrast checker → · Palette generator →