#5B6EDD#5B6EDD

#5B6EDD is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.1% C 0.169 H 272.7°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#5B6EDD
RGB	rgb(91, 110, 221)
HSL	hsl(231, 66%, 61%)
HSV	hsv(231, 59%, 87%)
CMYK	cmyk(58.8%, 50.2%, 0%, 13.3%)
CIE-LAB	lab(50.21, 25.91, -59.09)
CIE-LCH	lch(50.21, 64.52, 293.67°)
OKLab	oklab(58.06% 0.0081 -0.1691)
OKLCH	oklch(58.06% 0.169 272.7)
XYZ	xyz(22.9372, 18.5947, 70.7730)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6EDD #DDCA5B

analogous

#5BAFDD #5B6EDD #895BDD

triadic

#5B6EDD #DD5B6E #6EDD5B

tetradic

#5B6EDD #DD5BAF #DDCA5B #5BDD89

square

#5B6EDD #DD5BAF #DDCA5B #5BDD89

split-complementary

#5B6EDD #DD895B #AFDD5B

monochromatic

#21339D #2B43D0 #5B6EDD #8E9BE8 #C0C8F2

Accessibility & contrast

On white

4.45

#5B6EDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#5B6EDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6EDD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6EDD	#FFFFFF	#000000	##000000
##5B6EDD	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327DE1

Deuteranopia (green-blind)

#1672DB

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b6edd;
/* rgb */ color: rgb(91, 110, 221);
/* oklch */ color: oklch(58.1% 0.169 272.7);

Tailwind

colors: {
  custom: {
    50: '#9497e8',
    500: '#5b6edd',
    950: '#000000',
  },
}

SCSS

$custom: #5b6edd;
$custom-light: #9497e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6edd",
  "rgb": {
    "r": 91,
    "g": 110,
    "b": 221
  },
  "hsl": {
    "h": 231.231,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.58061,
    "c": 0.16928,
    "h": 272.7
  },
  "luminance": 0.18596
}

Semantic roles & 50–950 ramp

primary

#5B6EDD

secondary

#E2DBB1

accent

#B318CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6EDD

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

Preview Lab → · Contrast checker → · Palette generator →