#5B9EDD#5B9EDD

#5B9EDD is a light, moderate cyan. Relative luminance 0.319; OKLCH L 68.1% C 0.116 H 248.5°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#5B9EDD
RGB	rgb(91, 158, 221)
HSL	hsl(209, 66%, 61%)
HSV	hsv(209, 59%, 87%)
CMYK	cmyk(58.8%, 28.5%, 0%, 13.3%)
CIE-LAB	lab(63.26, -2.76, -38.39)
CIE-LCH	lch(63.26, 38.49, 265.89°)
OKLab	oklab(68.14% -0.0425 -0.108)
OKLCH	oklch(68.14% 0.116 248.5)
XYZ	xyz(29.5876, 31.8956, 72.9898)
Luminance	0.3190 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9EDD #DD9A5B

analogous

#5BDDDB #5B9EDD #5B5DDD

triadic

#5B9EDD #DD5B9E #9EDD5B

tetradic

#5B9EDD #DB5BDD #DD9A5B #5DDD5B

square

#5B9EDD #DB5BDD #DD9A5B #5DDD5B

split-complementary

#5B9EDD #DD5B5D #DDDB5B

monochromatic

#21619D #2B80D0 #5B9EDD #8EBCE8 #C0DAF2

Accessibility & contrast

On white

2.85

#5B9EDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#5B9EDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9EDD

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9EDD	#FFFFFF	#000000	##000000
##5B9EDD	1.00	2.85	7.38	7.38
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A0E0

Deuteranopia (green-blind)

#7293DC

Tritanopia (blue-blind)

#00ADB4

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #5b9edd;
/* rgb */ color: rgb(91, 158, 221);
/* oklch */ color: oklch(68.1% 0.116 248.5);

Tailwind

colors: {
  custom: {
    50: '#93bae8',
    500: '#5b9edd',
    950: '#000000',
  },
}

SCSS

$custom: #5b9edd;
$custom-light: #93bae8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9edd",
  "rgb": {
    "r": 91,
    "g": 158,
    "b": 221
  },
  "hsl": {
    "h": 209.077,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.68144,
    "c": 0.11611,
    "h": 248.5
  },
  "luminance": 0.31898
}

Semantic roles & 50–950 ramp

primary

#5B9EDD

secondary

#E2C9B1

accent

#7018CE

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B9EDD

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

Preview Lab → · Contrast checker → · Palette generator →