#5B99DC#5B99DC

#5B99DC is a light, moderate cyan. Relative luminance 0.302; OKLCH L 67.0% C 0.119 H 251.7°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#5B99DC
RGB	rgb(91, 153, 220)
HSL	hsl(211, 65%, 61%)
HSV	hsv(211, 59%, 86%)
CMYK	cmyk(58.6%, 30.5%, 0%, 13.7%)
CIE-LAB	lab(61.80, -0.23, -40.11)
CIE-LCH	lch(61.80, 40.11, 269.68°)
OKLab	oklab(66.99% -0.0374 -0.1131)
OKLCH	oklch(66.99% 0.119 251.7)
XYZ	xyz(28.6192, 30.1714, 72.0117)
Luminance	0.3017 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B99DC #DC9E5B

analogous

#5BD9DC #5B99DC #5D5BDC

triadic

#5B99DC #DC5B99 #99DC5B

tetradic

#5B99DC #DC5BD9 #DC9E5B #5BDC5D

square

#5B99DC #DC5BD9 #DC9E5B #5BDC5D

split-complementary

#5B99DC #DC5D5B #D9DC5B

monochromatic

#215C9B #2C7ACE #5B99DC #8DB8E7 #C0D8F2

Accessibility & contrast

On white

2.99

#5B99DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#5B99DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B99DC

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B99DC	#FFFFFF	#000000	##000000
##5B99DC	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9CDF

Deuteranopia (green-blind)

#6C90DB

Tritanopia (blue-blind)

#00A8B1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #5b99dc;
/* rgb */ color: rgb(91, 153, 220);
/* oklch */ color: oklch(67.0% 0.119 251.7);

Tailwind

colors: {
  custom: {
    50: '#93b6e7',
    500: '#5b99dc',
    950: '#000000',
  },
}

SCSS

$custom: #5b99dc;
$custom-light: #93b6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b99dc",
  "rgb": {
    "r": 91,
    "g": 153,
    "b": 220
  },
  "hsl": {
    "h": 211.163,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.66986,
    "c": 0.11911,
    "h": 251.7
  },
  "luminance": 0.30174
}

Semantic roles & 50–950 ramp

primary

#5B99DC

secondary

#E2CAB1

accent

#7619CD

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B99DC

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

Preview Lab → · Contrast checker → · Palette generator →