#51A0E2#51A0E2

#51A0E2 is a light, vivid cyan. Relative luminance 0.324; OKLCH L 68.4% C 0.125 H 246.2°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#51A0E2
RGB	rgb(81, 160, 226)
HSL	hsl(207, 71%, 60%)
HSV	hsv(207, 64%, 89%)
CMYK	cmyk(64.2%, 29.2%, 0%, 11.4%)
CIE-LAB	lab(63.65, -4.10, -40.56)
CIE-LCH	lch(63.65, 40.76, 264.23°)
OKLab	oklab(68.42% -0.0504 -0.1144)
OKLCH	oklch(68.42% 0.125 246.2)
XYZ	xyz(29.6865, 32.3789, 76.6220)
Luminance	0.3238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A0E2 #E29351

analogous

#51E2DB #51A0E2 #5158E2

triadic

#51A0E2 #E251A0 #A0E251

tetradic

#51A0E2 #DB51E2 #E29351 #58E251

square

#51A0E2 #DB51E2 #E29351 #58E251

split-complementary

#51A0E2 #E25158 #E2DB51

monochromatic

#1A629E #2383D3 #51A0E2 #85BDEB #BAD9F3

Accessibility & contrast

On white

2.81

#51A0E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#51A0E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A0E2

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A0E2	#FFFFFF	#000000	##000000
##51A0E2	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A2E5

Deuteranopia (green-blind)

#6F94E1

Tritanopia (blue-blind)

#00B0B7

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #51a0e2;
/* rgb */ color: rgb(81, 160, 226);
/* oklch */ color: oklch(68.4% 0.125 246.2);

Tailwind

colors: {
  custom: {
    50: '#8fbbeb',
    500: '#51a0e2',
    950: '#000000',
  },
}

SCSS

$custom: #51a0e2;
$custom-light: #8fbbeb;
$custom-dark: #000000;

JSON

{
  "hex": "#51a0e2",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 226
  },
  "hsl": {
    "h": 207.31,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.68423,
    "c": 0.12506,
    "h": 246.2
  },
  "luminance": 0.32382
}

Semantic roles & 50–950 ramp

primary

#51A0E2

secondary

#E3C5AC

accent

#6A12D3

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #51A0E2

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

Preview Lab → · Contrast checker → · Palette generator →