#5B65CB#5B65CB

#5B65CB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.1% C 0.156 H 275.8°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#5B65CB
RGB	rgb(91, 101, 203)
HSL	hsl(235, 52%, 58%)
HSV	hsv(235, 55%, 80%)
CMYK	cmyk(55.2%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(46.77, 25.58, -54.38)
CIE-LCH	lch(46.77, 60.09, 295.19°)
OKLab	oklab(55.1% 0.0158 -0.1553)
OKLCH	oklch(55.1% 0.156 275.8)
XYZ	xyz(19.7441, 15.8420, 58.5057)
Luminance	0.1584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B65CB #CBC15B

analogous

#5B9DCB #5B65CB #895BCB

triadic

#5B65CB #CB5B65 #65CB5B

tetradic

#5B65CB #CB5B9D #CBC15B #5BCB89

square

#5B65CB #CB5B9D #CBC15B #5BCB89

split-complementary

#5B65CB #CB895B #9DCB5B

monochromatic

#293182 #3843B1 #5B65CB #8991DA #B8BCE8

Accessibility & contrast

On white

5.04

#5B65CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#5B65CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B65CB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B65CB	#FFFFFF	#000000	##FFFFFF
##5B65CB	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3174CF

Deuteranopia (green-blind)

#206AC9

Tritanopia (blue-blind)

#207C8E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5b65cb;
/* rgb */ color: rgb(91, 101, 203);
/* oklch */ color: oklch(55.1% 0.156 275.8);

Tailwind

colors: {
  custom: {
    50: '#9290db',
    500: '#5b65cb',
    950: '#000000',
  },
}

SCSS

$custom: #5b65cb;
$custom-light: #9290db;
$custom-dark: #000000;

JSON

{
  "hex": "#5b65cb",
  "rgb": {
    "r": 91,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 234.643,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.55098,
    "c": 0.15611,
    "h": 275.8
  },
  "luminance": 0.15843
}

Semantic roles & 50–950 ramp

primary

#5B65CB

secondary

#D7D3AA

accent

#CF4CDB

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5B65CB

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

Preview Lab → · Contrast checker → · Palette generator →