#51A2DC#51A2DC

#51A2DC is a light, moderate cyan. Relative luminance 0.328; OKLCH L 68.6% C 0.117 H 242.3°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#51A2DC
RGB	rgb(81, 162, 220)
HSL	hsl(205, 67%, 59%)
HSV	hsv(205, 63%, 86%)
CMYK	cmyk(63.2%, 26.4%, 0%, 13.7%)
CIE-LAB	lab(63.96, -7.18, -36.76)
CIE-LCH	lch(63.96, 37.46, 258.95°)
OKLab	oklab(68.58% -0.0543 -0.1034)
OKLCH	oklch(68.58% 0.117 242.3)
XYZ	xyz(29.2271, 32.7544, 72.4782)
Luminance	0.3276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2DC #DC8B51

analogous

#51DCD1 #51A2DC #515DDC

triadic

#51A2DC #DC51A2 #A2DC51

tetradic

#51A2DC #D151DC #DC8B51 #5DDC51

square

#51A2DC #D151DC #DC8B51 #5DDC51

split-complementary

#51A2DC #DC515D #DCD151

monochromatic

#1E6395 #2885C8 #51A2DC #84BDE6 #B7D8F0

Accessibility & contrast

On white

2.78

#51A2DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#51A2DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2DC

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2DC	#FFFFFF	#000000	##000000
##51A2DC	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A3DF

Deuteranopia (green-blind)

#7595DB

Tritanopia (blue-blind)

#00B0B6

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #51a2dc;
/* rgb */ color: rgb(81, 162, 220);
/* oklch */ color: oklch(68.6% 0.117 242.3);

Tailwind

colors: {
  custom: {
    50: '#8ebde7',
    500: '#51a2dc',
    950: '#000000',
  },
}

SCSS

$custom: #51a2dc;
$custom-light: #8ebde7;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2dc",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 220
  },
  "hsl": {
    "h": 205.036,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.68578,
    "c": 0.11683,
    "h": 242.3
  },
  "luminance": 0.32757
}

Semantic roles & 50–950 ramp

primary

#51A2DC

secondary

#E0C0A9

accent

#863EE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1216

muted

#7E8184

Preview Lab

Preview with #51A2DC

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

Preview Lab → · Contrast checker → · Palette generator →