#5199CB#5199CB

#5199CB is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.7% C 0.104 H 241.1°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#5199CB
RGB	rgb(81, 153, 203)
HSL	hsl(205, 54%, 56%)
HSV	hsv(205, 60%, 80%)
CMYK	cmyk(60.1%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(60.64, -7.62, -32.47)
CIE-LCH	lch(60.64, 33.35, 256.80°)
OKLab	oklab(65.71% -0.0503 -0.0911)
OKLCH	oklch(65.71% 0.104 241.1)
XYZ	xyz(25.5600, 28.8412, 60.7082)
Luminance	0.2884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199CB #CB8351

analogous

#51CBC0 #5199CB #515CCB

triadic

#5199CB #CB5199 #99CB51

tetradic

#5199CB #C051CB #CB8351 #5CCB51

square

#5199CB #C051CB #CB8351 #5CCB51

split-complementary

#5199CB #CB515C #CBC051

monochromatic

#25597C #337AAC #5199CB #80B5D9 #AFD0E7

Accessibility & contrast

On white

3.10

#5199CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#5199CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5199CB

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199CB	#FFFFFF	#000000	##000000
##5199CB	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8399CD

Deuteranopia (green-blind)

#728DCA

Tritanopia (blue-blind)

#00A5AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5199cb;
/* rgb */ color: rgb(81, 153, 203);
/* oklch */ color: oklch(65.7% 0.104 241.1);

Tailwind

colors: {
  custom: {
    50: '#8cb6db',
    500: '#5199cb',
    950: '#000000',
  },
}

SCSS

$custom: #5199cb;
$custom-light: #8cb6db;
$custom-dark: #000000;

JSON

{
  "hex": "#5199cb",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 204.59,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.65712,
    "c": 0.10406,
    "h": 241.1
  },
  "luminance": 0.28844
}

Semantic roles & 50–950 ramp

primary

#5199CB

secondary

#D5B7A3

accent

#874ADD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #5199CB

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

Preview Lab → · Contrast checker → · Palette generator →