#5B68CB#5B68CB

#5B68CB is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.7% C 0.152 H 274.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#5B68CB
RGB	rgb(91, 104, 203)
HSL	hsl(233, 52%, 58%)
HSV	hsv(233, 55%, 80%)
CMYK	cmyk(55.2%, 48.8%, 0%, 20.4%)
CIE-LAB	lab(47.54, 23.72, -53.13)
CIE-LCH	lch(47.54, 58.19, 294.05°)
OKLab	oklab(55.68% 0.0125 -0.1516)
OKLCH	oklch(55.68% 0.152 274.7)
XYZ	xyz(20.0407, 16.4352, 58.6046)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B68CB #CBBE5B

analogous

#5BA0CB #5B68CB #865BCB

triadic

#5B68CB #CB5B68 #68CB5B

tetradic

#5B68CB #CB5BA0 #CBBE5B #5BCB86

square

#5B68CB #CB5BA0 #CBBE5B #5BCB86

split-complementary

#5B68CB #CB865B #A0CB5B

monochromatic

#293482 #3846B1 #5B68CB #8993DA #B8BEE8

Accessibility & contrast

On white

4.90

#5B68CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#5B68CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B68CB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B68CB	#FFFFFF	#000000	##FFFFFF
##5B68CB	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3876CF

Deuteranopia (green-blind)

#286CC9

Tritanopia (blue-blind)

#1F7E90

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5b68cb;
/* rgb */ color: rgb(91, 104, 203);
/* oklch */ color: oklch(55.7% 0.152 274.7);

Tailwind

colors: {
  custom: {
    50: '#9292db',
    500: '#5b68cb',
    950: '#000000',
  },
}

SCSS

$custom: #5b68cb;
$custom-light: #9292db;
$custom-dark: #000000;

JSON

{
  "hex": "#5b68cb",
  "rgb": {
    "r": 91,
    "g": 104,
    "b": 203
  },
  "hsl": {
    "h": 233.036,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.55682,
    "c": 0.15215,
    "h": 274.7
  },
  "luminance": 0.16437
}

Semantic roles & 50–950 ramp

primary

#5B68CB

secondary

#D7D2AA

accent

#CB4CDB

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #5B68CB

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

Preview Lab → · Contrast checker → · Palette generator →