#585BB3#585BB3

#585BB3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.136 H 279.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#585BB3
RGB	rgb(88, 91, 179)
HSL	hsl(238, 37%, 52%)
HSV	hsv(238, 51%, 70%)
CMYK	cmyk(50.8%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(42.48, 23.45, -47.35)
CIE-LCH	lch(42.48, 52.84, 296.34°)
OKLab	oklab(51.33% 0.0213 -0.1348)
OKLCH	oklch(51.33% 0.136 279)
XYZ	xyz(15.8998, 12.8106, 44.2740)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#585BB3 #B3B058

analogous

#5889B3 #585BB3 #8358B3

triadic

#585BB3 #B3585B #5BB358

tetradic

#585BB3 #B35889 #B3B058 #58B383

square

#585BB3 #B35889 #B3B058 #58B383

split-complementary

#585BB3 #B38358 #89B358

monochromatic

#2D2F63 #40438D #585BB3 #8284C6 #ACAED9

Accessibility & contrast

On white

5.89

#585BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#585BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #585BB3

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##585BB3	#FFFFFF	#000000	##FFFFFF
##585BB3	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3368B6

Deuteranopia (green-blind)

#2A61B1

Tritanopia (blue-blind)

#346E7E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #585bb3;
/* rgb */ color: rgb(88, 91, 179);
/* oklch */ color: oklch(51.3% 0.136 279.0);

Tailwind

colors: {
  custom: {
    50: '#8d89ca',
    500: '#585bb3',
    950: '#000000',
  },
}

SCSS

$custom: #585bb3;
$custom-light: #8d89ca;
$custom-dark: #000000;

JSON

{
  "hex": "#585bb3",
  "rgb": {
    "r": 88,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 238.022,
    "s": 37.449,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51326,
    "c": 0.13648,
    "h": 279
  },
  "luminance": 0.12812
}

Semantic roles & 50–950 ramp

primary

#585BB3

secondary

#C7C6A0

accent

#CA5ACD

background

#F9F8FC

surface

#F1F0F8

border

#CBCBD1

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #585BB3

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

Preview Lab → · Contrast checker → · Palette generator →