#5B6CDD#5B6CDD

#5B6CDD is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.7% C 0.172 H 273.4°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5B6CDD
RGB	rgb(91, 108, 221)
HSL	hsl(232, 66%, 61%)
HSV	hsv(232, 59%, 87%)
CMYK	cmyk(58.8%, 51.1%, 0%, 13.3%)
CIE-LAB	lab(49.70, 27.14, -59.91)
CIE-LCH	lch(49.70, 65.77, 294.37°)
OKLab	oklab(57.68% 0.0101 -0.1715)
OKLCH	oklch(57.68% 0.172 273.4)
XYZ	xyz(22.7238, 18.1680, 70.7019)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6CDD #DDCC5B

analogous

#5BADDD #5B6CDD #8B5BDD

triadic

#5B6CDD #DD5B6C #6CDD5B

tetradic

#5B6CDD #DD5BAD #DDCC5B #5BDD8B

square

#5B6CDD #DD5BAD #DDCC5B #5BDD8B

split-complementary

#5B6CDD #DD8B5B #ADDD5B

monochromatic

#21319D #2B41D0 #5B6CDD #8E99E8 #C0C7F2

Accessibility & contrast

On white

4.53

#5B6CDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#5B6CDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6CDD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6CDD	#FFFFFF	#000000	##000000
##5B6CDD	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C7CE1

Deuteranopia (green-blind)

#0971DB

Tritanopia (blue-blind)

#00869A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5b6cdd;
/* rgb */ color: rgb(91, 108, 221);
/* oklch */ color: oklch(57.7% 0.172 273.4);

Tailwind

colors: {
  custom: {
    50: '#9495e8',
    500: '#5b6cdd',
    950: '#000000',
  },
}

SCSS

$custom: #5b6cdd;
$custom-light: #9495e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6cdd",
  "rgb": {
    "r": 91,
    "g": 108,
    "b": 221
  },
  "hsl": {
    "h": 232.154,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.57676,
    "c": 0.17183,
    "h": 273.4
  },
  "luminance": 0.1817
}

Semantic roles & 50–950 ramp

primary

#5B6CDD

secondary

#E2DCB1

accent

#B618CE

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6CDD

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

Preview Lab → · Contrast checker → · Palette generator →