#5A5BDD#5A5BDD

#5A5BDD is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.5% C 0.194 H 277.5°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#5A5BDD
RGB	rgb(90, 91, 221)
HSL	hsl(240, 66%, 61%)
HSV	hsv(240, 59%, 87%)
CMYK	cmyk(59.3%, 58.8%, 0%, 13.3%)
CIE-LAB	lab(45.46, 37.37, -66.77)
CIE-LCH	lch(45.46, 76.52, 299.23°)
OKLab	oklab(54.5% 0.0253 -0.1919)
OKLCH	oklch(54.5% 0.194 277.5)
XYZ	xyz(21.0045, 14.8747, 70.1568)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A5BDD #DDDC5A

analogous

#5A9CDD #5A5BDD #9A5ADD

triadic

#5A5BDD #DD5A5B #5BDD5A

tetradic

#5A5BDD #DD5A9C #DDDC5A #5ADD9A

square

#5A5BDD #DD5A9C #DDDC5A #5ADD9A

split-complementary

#5A5BDD #DD9A5A #9CDD5A

monochromatic

#20219C #2B2CCF #5A5BDD #8D8DE7 #BFC0F2

Accessibility & contrast

On white

5.28

#5A5BDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#5A5BDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A5BDD

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A5BDD	#FFFFFF	#000000	##FFFFFF
##5A5BDD	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E1

Deuteranopia (green-blind)

#0066DA

Tritanopia (blue-blind)

#007A93

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5a5bdd;
/* rgb */ color: rgb(90, 91, 221);
/* oklch */ color: oklch(54.5% 0.194 277.5);

Tailwind

colors: {
  custom: {
    50: '#9589e8',
    500: '#5a5bdd',
    950: '#000000',
  },
}

SCSS

$custom: #5a5bdd;
$custom-light: #9589e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5a5bdd",
  "rgb": {
    "r": 90,
    "g": 91,
    "b": 221
  },
  "hsl": {
    "h": 239.542,
    "s": 65.829,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54496,
    "c": 0.19355,
    "h": 277.5
  },
  "luminance": 0.14876
}

Semantic roles & 50–950 ramp

primary

#5A5BDD

secondary

#E2E2B1

accent

#CC18CE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5A5BDD

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

Preview Lab → · Contrast checker → · Palette generator →