#5B6DDB#5B6DDB

#5B6DDB is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.7% C 0.168 H 273.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#5B6DDB
RGB	rgb(91, 109, 219)
HSL	hsl(232, 64%, 61%)
HSV	hsv(232, 58%, 86%)
CMYK	cmyk(58.4%, 50.2%, 0%, 14.1%)
CIE-LAB	lab(49.83, 25.86, -58.58)
CIE-LCH	lch(49.83, 64.03, 293.82°)
OKLab	oklab(57.73% 0.0089 -0.1676)
OKLCH	oklch(57.73% 0.168 273)
XYZ	xyz(22.5650, 18.2742, 69.3423)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6DDB #DBC95B

analogous

#5BADDB #5B6DDB #895BDB

triadic

#5B6DDB #DB5B6D #6DDB5B

tetradic

#5B6DDB #DB5BAD #DBC95B #5BDB89

square

#5B6DDB #DB5BAD #DBC95B #5BDB89

split-complementary

#5B6DDB #DB895B #ADDB5B

monochromatic

#22339A #2D43CC #5B6DDB #8D9AE6 #BFC6F1

Accessibility & contrast

On white

4.51

#5B6DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#5B6DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6DDB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6DDB	#FFFFFF	#000000	##000000
##5B6DDB	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327CDF

Deuteranopia (green-blind)

#1771D9

Tritanopia (blue-blind)

#00869A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5b6ddb;
/* rgb */ color: rgb(91, 109, 219);
/* oklch */ color: oklch(57.7% 0.168 273.0);

Tailwind

colors: {
  custom: {
    50: '#9496e7',
    500: '#5b6ddb',
    950: '#000000',
  },
}

SCSS

$custom: #5b6ddb;
$custom-light: #9496e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6ddb",
  "rgb": {
    "r": 91,
    "g": 109,
    "b": 219
  },
  "hsl": {
    "h": 231.563,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.57732,
    "c": 0.16782,
    "h": 273
  },
  "luminance": 0.18276
}

Semantic roles & 50–950 ramp

primary

#5B6DDB

secondary

#E1DAB1

accent

#B31ACC

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6DDB

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

Preview Lab → · Contrast checker → · Palette generator →