#5B8FDD#5B8FDD

#5B8FDD is a light, vivid blue. Relative luminance 0.271; OKLCH L 64.9% C 0.130 H 258.3°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#5B8FDD
RGB	rgb(91, 143, 221)
HSL	hsl(216, 66%, 61%)
HSV	hsv(216, 59%, 87%)
CMYK	cmyk(58.8%, 35.3%, 0%, 13.3%)
CIE-LAB	lab(59.05, 5.91, -44.99)
CIE-LCH	lch(59.05, 45.38, 277.49°)
OKLab	oklab(64.85% -0.0264 -0.1274)
OKLCH	oklch(64.85% 0.13 258.3)
XYZ	xyz(27.1834, 27.0872, 72.1884)
Luminance	0.2709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8FDD #DDA95B

analogous

#5BD0DD #5B8FDD #685BDD

triadic

#5B8FDD #DD5B8F #8FDD5B

tetradic

#5B8FDD #DD5BD0 #DDA95B #5BDD68

square

#5B8FDD #DD5BD0 #DDA95B #5BDD68

split-complementary

#5B8FDD #DD685B #D0DD5B

monochromatic

#21529D #2B6DD0 #5B8FDD #8EB2E8 #C0D4F2

Accessibility & contrast

On white

3.27

#5B8FDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#5B8FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8FDD

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8FDD	#FFFFFF	#000000	##000000
##5B8FDD	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E95E0

Deuteranopia (green-blind)

#5D89DB

Tritanopia (blue-blind)

#00A1AC

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5b8fdd;
/* rgb */ color: rgb(91, 143, 221);
/* oklch */ color: oklch(64.9% 0.130 258.3);

Tailwind

colors: {
  custom: {
    50: '#93afe8',
    500: '#5b8fdd',
    950: '#000000',
  },
}

SCSS

$custom: #5b8fdd;
$custom-light: #93afe8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8fdd",
  "rgb": {
    "r": 91,
    "g": 143,
    "b": 221
  },
  "hsl": {
    "h": 216,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64854,
    "c": 0.13007,
    "h": 258.3
  },
  "luminance": 0.2709
}

Semantic roles & 50–950 ramp

primary

#5B8FDD

secondary

#E2CFB1

accent

#8518CE

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B8FDD

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

Preview Lab → · Contrast checker → · Palette generator →