#51BAE1#51BAE1

#51BAE1 is a light, moderate cyan. Relative luminance 0.423; OKLCH L 74.3% C 0.111 H 225.8°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#51BAE1
RGB	rgb(81, 186, 225)
HSL	hsl(196, 71%, 60%)
HSV	hsv(196, 64%, 88%)
CMYK	cmyk(64%, 17.3%, 0%, 11.8%)
CIE-LAB	lab(71.08, -18.54, -28.49)
CIE-LCH	lch(71.08, 33.99, 236.95°)
OKLab	oklab(74.3% -0.0773 -0.0795)
OKLCH	oklch(74.3% 0.111 225.8)
XYZ	xyz(34.5374, 42.2998, 77.5641)
Luminance	0.4230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BAE1 #E17851

analogous

#51E1C0 #51BAE1 #5172E1

triadic

#51BAE1 #E151BA #BAE151

tetradic

#51BAE1 #C051E1 #E17851 #72E151

square

#51BAE1 #C051E1 #E17851 #72E151

split-complementary

#51BAE1 #E15172 #E1C051

monochromatic

#1B799D #24A2D1 #51BAE1 #85CFEA #B9E3F3

Accessibility & contrast

On white

2.22

#51BAE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#51BAE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BAE1

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BAE1	#FFFFFF	#000000	##000000
##51BAE1	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B6E3

Deuteranopia (green-blind)

#91A7E1

Tritanopia (blue-blind)

#00C6C7

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51bae1;
/* rgb */ color: rgb(81, 186, 225);
/* oklch */ color: oklch(74.3% 0.111 225.8);

Tailwind

colors: {
  custom: {
    50: '#90ceea',
    500: '#51bae1',
    950: '#000000',
  },
}

SCSS

$custom: #51bae1;
$custom-light: #90ceea;
$custom-dark: #000000;

JSON

{
  "hex": "#51bae1",
  "rgb": {
    "r": 81,
    "g": 186,
    "b": 225
  },
  "hsl": {
    "h": 196.25,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.74302,
    "c": 0.11093,
    "h": 225.8
  },
  "luminance": 0.42303
}

Semantic roles & 50–950 ramp

primary

#51BAE1

secondary

#E3BAAB

accent

#6B3AED

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #51BAE1

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

Preview Lab → · Contrast checker → · Palette generator →