#5B9FDD#5B9FDD

#5B9FDD is a light, moderate cyan. Relative luminance 0.322; OKLCH L 68.4% C 0.115 H 247.8°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B9FDD
RGB	rgb(91, 159, 221)
HSL	hsl(209, 66%, 61%)
HSV	hsv(209, 59%, 87%)
CMYK	cmyk(58.8%, 28.1%, 0%, 13.3%)
CIE-LAB	lab(63.54, -3.32, -37.95)
CIE-LCH	lch(63.54, 38.09, 264.99°)
OKLab	oklab(68.37% -0.0436 -0.1068)
OKLCH	oklch(68.37% 0.115 247.8)
XYZ	xyz(29.7589, 32.2382, 73.0469)
Luminance	0.3224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9FDD #DD995B

analogous

#5BDDDA #5B9FDD #5B5EDD

triadic

#5B9FDD #DD5B9F #9FDD5B

tetradic

#5B9FDD #DA5BDD #DD995B #5EDD5B

square

#5B9FDD #DA5BDD #DD995B #5EDD5B

split-complementary

#5B9FDD #DD5B5E #DDDA5B

monochromatic

#21629D #2B81D0 #5B9FDD #8EBDE8 #C0DAF2

Accessibility & contrast

On white

2.82

#5B9FDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#5B9FDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9FDD

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9FDD	#FFFFFF	#000000	##000000
##5B9FDD	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A1E0

Deuteranopia (green-blind)

#7394DC

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #5b9fdd;
/* rgb */ color: rgb(91, 159, 221);
/* oklch */ color: oklch(68.4% 0.115 247.8);

Tailwind

colors: {
  custom: {
    50: '#93bbe8',
    500: '#5b9fdd',
    950: '#000000',
  },
}

SCSS

$custom: #5b9fdd;
$custom-light: #93bbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9fdd",
  "rgb": {
    "r": 91,
    "g": 159,
    "b": 221
  },
  "hsl": {
    "h": 208.615,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.68366,
    "c": 0.11532,
    "h": 247.8
  },
  "luminance": 0.32241
}

Semantic roles & 50–950 ramp

primary

#5B9FDD

secondary

#E2C9B1

accent

#6F18CE

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B9FDD

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

Preview Lab → · Contrast checker → · Palette generator →