#5199E0#5199E0

#5199E0 is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.8% C 0.128 H 250.0°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#5199E0
RGB	rgb(81, 153, 224)
HSL	hsl(210, 70%, 60%)
HSV	hsv(210, 64%, 88%)
CMYK	cmyk(63.8%, 31.7%, 0%, 12.2%)
CIE-LAB	lab(61.58, -0.77, -42.71)
CIE-LCH	lch(61.58, 42.72, 268.97°)
OKLab	oklab(66.76% -0.0439 -0.1208)
OKLCH	oklch(66.76% 0.128 250)
XYZ	xyz(28.2342, 29.9108, 74.7920)
Luminance	0.2991 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199E0 #E09851

analogous

#51E0DF #5199E0 #5152E0

triadic

#5199E0 #E05199 #99E051

tetradic

#5199E0 #DF51E0 #E09851 #52E051

square

#5199E0 #DF51E0 #E09851 #52E051

split-complementary

#5199E0 #E05152 #E0DF51

monochromatic

#1C5C9B #257ACF #5199E0 #85B7E9 #B9D6F3

Accessibility & contrast

On white

3.01

#5199E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#5199E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5199E0

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199E0	#FFFFFF	#000000	##000000
##5199E0	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9CE3

Deuteranopia (green-blind)

#678FDF

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #5199e0;
/* rgb */ color: rgb(81, 153, 224);
/* oklch */ color: oklch(66.8% 0.128 250.0);

Tailwind

colors: {
  custom: {
    50: '#8fb6ea',
    500: '#5199e0',
    950: '#000000',
  },
}

SCSS

$custom: #5199e0;
$custom-light: #8fb6ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5199e0",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 224
  },
  "hsl": {
    "h": 209.79,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.66758,
    "c": 0.12849,
    "h": 250
  },
  "luminance": 0.29914
}

Semantic roles & 50–950 ramp

primary

#5199E0

secondary

#E2C6AB

accent

#933BED

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5199E0

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

Preview Lab → · Contrast checker → · Palette generator →