#5B8BDD#5B8BDD

#5B8BDD is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.0% C 0.134 H 260.5°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#5B8BDD
RGB	rgb(91, 139, 221)
HSL	hsl(218, 66%, 61%)
HSV	hsv(218, 59%, 87%)
CMYK	cmyk(58.8%, 37.1%, 0%, 13.3%)
CIE-LAB	lab(57.95, 8.28, -46.74)
CIE-LCH	lch(57.95, 47.46, 280.05°)
OKLab	oklab(64% -0.0221 -0.1325)
OKLCH	oklch(64% 0.134 260.5)
XYZ	xyz(26.5936, 25.9076, 71.9918)
Luminance	0.2591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8BDD #DDAD5B

analogous

#5BCCDD #5B8BDD #6C5BDD

triadic

#5B8BDD #DD5B8B #8BDD5B

tetradic

#5B8BDD #DD5BCC #DDAD5B #5BDD6C

square

#5B8BDD #DD5BCC #DDAD5B #5BDD6C

split-complementary

#5B8BDD #DD6C5B #CCDD5B

monochromatic

#214F9D #2B68D0 #5B8BDD #8EAFE8 #C0D3F2

Accessibility & contrast

On white

3.40

#5B8BDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#5B8BDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8BDD

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8BDD	#FFFFFF	#000000	##000000
##5B8BDD	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6892E0

Deuteranopia (green-blind)

#5786DB

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5b8bdd;
/* rgb */ color: rgb(91, 139, 221);
/* oklch */ color: oklch(64.0% 0.134 260.5);

Tailwind

colors: {
  custom: {
    50: '#93ace8',
    500: '#5b8bdd',
    950: '#000000',
  },
}

SCSS

$custom: #5b8bdd;
$custom-light: #93ace8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8bdd",
  "rgb": {
    "r": 91,
    "g": 139,
    "b": 221
  },
  "hsl": {
    "h": 217.846,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.63995,
    "c": 0.13435,
    "h": 260.5
  },
  "luminance": 0.2591
}

Semantic roles & 50–950 ramp

primary

#5B8BDD

secondary

#E2D0B1

accent

#8A18CE

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B8BDD

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

Preview Lab → · Contrast checker → · Palette generator →