#5A5BCB#5A5BCB

#5A5BCB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.1% C 0.170 H 278.6°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#5A5BCB
RGB	rgb(90, 91, 203)
HSL	hsl(239, 52%, 57%)
HSV	hsv(239, 56%, 80%)
CMYK	cmyk(55.7%, 55.2%, 0%, 20.4%)
CIE-LAB	lab(44.18, 31.56, -58.54)
CIE-LCH	lch(44.18, 66.51, 298.33°)
OKLab	oklab(53.14% 0.0252 -0.1677)
OKLCH	oklch(53.14% 0.17 278.6)
XYZ	xyz(18.7336, 13.9664, 58.1969)
Luminance	0.1397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A5BCB #CBCA5A

analogous

#5A94CB #5A5BCB #915ACB

triadic

#5A5BCB #CB5A5B #5BCB5A

tetradic

#5A5BCB #CB5A94 #CBCA5A #5ACB91

square

#5A5BCB #CB5A94 #CBCA5A #5ACB91

split-complementary

#5A5BCB #CB915A #94CB5A

monochromatic

#292A82 #3839B0 #5A5BCB #8989DA #B7B8E8

Accessibility & contrast

On white

5.54

#5A5BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#5A5BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A5BCB

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A5BCB	#FFFFFF	#000000	##FFFFFF
##5A5BCB	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B6DCF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#1F758A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5a5bcb;
/* rgb */ color: rgb(90, 91, 203);
/* oklch */ color: oklch(53.1% 0.170 278.6);

Tailwind

colors: {
  custom: {
    50: '#9289dc',
    500: '#5a5bcb',
    950: '#000000',
  },
}

SCSS

$custom: #5a5bcb;
$custom-light: #9289dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5a5bcb",
  "rgb": {
    "r": 90,
    "g": 91,
    "b": 203
  },
  "hsl": {
    "h": 239.469,
    "s": 52.074,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53144,
    "c": 0.16957,
    "h": 278.6
  },
  "luminance": 0.13968
}

Semantic roles & 50–950 ramp

primary

#5A5BCB

secondary

#D7D7AA

accent

#DA4CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5A5BCB

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

Preview Lab → · Contrast checker → · Palette generator →