#51A0E6#51A0E6

#51A0E6 is a light, vivid cyan. Relative luminance 0.326; OKLCH L 68.6% C 0.130 H 247.7°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#51A0E6
RGB	rgb(81, 160, 230)
HSL	hsl(208, 75%, 61%)
HSV	hsv(208, 65%, 90%)
CMYK	cmyk(64.8%, 30.4%, 0%, 9.8%)
CIE-LAB	lab(63.84, -2.78, -42.48)
CIE-LCH	lch(63.84, 42.57, 266.26°)
OKLab	oklab(68.63% -0.0493 -0.12)
OKLCH	oklch(68.63% 0.13 247.7)
XYZ	xyz(30.2418, 32.6011, 79.5464)
Luminance	0.3260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A0E6 #E69751

analogous

#51E6E1 #51A0E6 #5155E6

triadic

#51A0E6 #E651A0 #A0E651

tetradic

#51A0E6 #E151E6 #E69751 #55E651

square

#51A0E6 #E151E6 #E69751 #55E651

split-complementary

#51A0E6 #E65155 #E6E151

monochromatic

#1863A5 #1F83DA #51A0E6 #87BDEE #BCDAF5

Accessibility & contrast

On white

2.79

#51A0E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#51A0E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A0E6

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A0E6	#FFFFFF	#000000	##000000
##51A0E6	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A3E9

Deuteranopia (green-blind)

#6D94E5

Tritanopia (blue-blind)

#00B1B9

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #51a0e6;
/* rgb */ color: rgb(81, 160, 230);
/* oklch */ color: oklch(68.6% 0.130 247.7);

Tailwind

colors: {
  custom: {
    50: '#90bbee',
    500: '#51a0e6',
    950: '#000000',
  },
}

SCSS

$custom: #51a0e6;
$custom-light: #90bbee;
$custom-dark: #000000;

JSON

{
  "hex": "#51a0e6",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 230
  },
  "hsl": {
    "h": 208.188,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.68626,
    "c": 0.12974,
    "h": 247.7
  },
  "luminance": 0.32604
}

Semantic roles & 50–950 ramp

primary

#51A0E6

secondary

#E5C8AD

accent

#6D0ED7

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #51A0E6

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

Preview Lab → · Contrast checker → · Palette generator →