#51A0DE#51A0DE

#51A0DE is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.2% C 0.120 H 244.6°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#51A0DE
RGB	rgb(81, 160, 222)
HSL	hsl(206, 68%, 59%)
HSV	hsv(206, 64%, 87%)
CMYK	cmyk(63.5%, 27.9%, 0%, 12.9%)
CIE-LAB	lab(63.48, -5.41, -38.63)
CIE-LCH	lch(63.48, 39.00, 262.03°)
OKLab	oklab(68.22% -0.0516 -0.1088)
OKLCH	oklch(68.22% 0.12 244.6)
XYZ	xyz(29.1440, 32.1620, 73.7651)
Luminance	0.3216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A0DE #DE8F51

analogous

#51DED6 #51A0DE #515ADE

triadic

#51A0DE #DE51A0 #A0DE51

tetradic

#51A0DE #D651DE #DE8F51 #5ADE51

square

#51A0DE #D651DE #DE8F51 #5ADE51

split-complementary

#51A0DE #DE515A #DED651

monochromatic

#1D6298 #2783CB #51A0DE #84BCE8 #B8D8F2

Accessibility & contrast

On white

2.83

#51A0DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#51A0DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A0DE

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A0DE	#FFFFFF	#000000	##000000
##51A0DE	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A1E1

Deuteranopia (green-blind)

#7194DD

Tritanopia (blue-blind)

#00AFB6

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #51a0de;
/* rgb */ color: rgb(81, 160, 222);
/* oklch */ color: oklch(68.2% 0.120 244.6);

Tailwind

colors: {
  custom: {
    50: '#8fbbe8',
    500: '#51a0de',
    950: '#000000',
  },
}

SCSS

$custom: #51a0de;
$custom-light: #8fbbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#51a0de",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 222
  },
  "hsl": {
    "h": 206.383,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.68223,
    "c": 0.12047,
    "h": 244.6
  },
  "luminance": 0.32165
}

Semantic roles & 50–950 ramp

primary

#51A0DE

secondary

#E1C2AA

accent

#893DEB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #51A0DE

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

Preview Lab → · Contrast checker → · Palette generator →