#5199DB#5199DB

#5199DB is a light, vivid cyan. Relative luminance 0.296; OKLCH L 66.5% C 0.122 H 248.3°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#5199DB
RGB	rgb(81, 153, 219)
HSL	hsl(209, 66%, 59%)
HSV	hsv(209, 63%, 86%)
CMYK	cmyk(63%, 30.1%, 0%, 14.1%)
CIE-LAB	lab(61.35, -2.42, -40.30)
CIE-LCH	lch(61.35, 40.37, 266.56°)
OKLab	oklab(66.5% -0.0453 -0.1138)
OKLCH	oklch(66.5% 0.122 248.3)
XYZ	xyz(27.5660, 29.6436, 71.2731)
Luminance	0.2965 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199DB #DB9351

analogous

#51DBD8 #5199DB #5154DB

triadic

#5199DB #DB5199 #99DB51

tetradic

#5199DB #D851DB #DB9351 #54DB51

square

#5199DB #D851DB #DB9351 #54DB51

split-complementary

#5199DB #DB5154 #DBD851

monochromatic

#1E5B93 #297BC6 #5199DB #84B7E5 #B6D4F0

Accessibility & contrast

On white

3.03

#5199DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#5199DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5199DB

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199DB	#FFFFFF	#000000	##000000
##5199DB	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9CDE

Deuteranopia (green-blind)

#6A8EDA

Tritanopia (blue-blind)

#00A9B0

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #5199db;
/* rgb */ color: rgb(81, 153, 219);
/* oklch */ color: oklch(66.5% 0.122 248.3);

Tailwind

colors: {
  custom: {
    50: '#8eb6e6',
    500: '#5199db',
    950: '#000000',
  },
}

SCSS

$custom: #5199db;
$custom-light: #8eb6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5199db",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 219
  },
  "hsl": {
    "h": 208.696,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.665,
    "c": 0.12245,
    "h": 248.3
  },
  "luminance": 0.29646
}

Semantic roles & 50–950 ramp

primary

#5199DB

secondary

#DFC3A9

accent

#903FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #5199DB

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

Preview Lab → · Contrast checker → · Palette generator →