#585CB8#585CB8

#585CB8 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.142 H 278.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#585CB8
RGB	rgb(88, 92, 184)
HSL	hsl(238, 40%, 53%)
HSV	hsv(238, 52%, 72%)
CMYK	cmyk(52.2%, 50%, 0%, 27.8%)
CIE-LAB	lab(43.05, 24.42, -49.36)
CIE-LCH	lch(43.05, 55.07, 296.32°)
OKLab	oklab(51.86% 0.0206 -0.1407)
OKLCH	oklch(51.86% 0.142 278.3)
XYZ	xyz(16.5007, 13.1887, 47.0143)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#585CB8 #B8B458

analogous

#588CB8 #585CB8 #8458B8

triadic

#585CB8 #B8585C #5CB858

tetradic

#585CB8 #B8588C #B8B458 #58B884

square

#585CB8 #B8588C #B8B458 #58B884

split-complementary

#585CB8 #B88458 #8CB858

monochromatic

#2D2F69 #3F4294 #585CB8 #8386CA #AEB0DD

Accessibility & contrast

On white

5.77

#585CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#585CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #585CB8

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##585CB8	#FFFFFF	#000000	##FFFFFF
##585CB8	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306ABB

Deuteranopia (green-blind)

#2562B6

Tritanopia (blue-blind)

#2F7081

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #585cb8;
/* rgb */ color: rgb(88, 92, 184);
/* oklch */ color: oklch(51.9% 0.142 278.3);

Tailwind

colors: {
  custom: {
    50: '#8e8ace',
    500: '#585cb8',
    950: '#000000',
  },
}

SCSS

$custom: #585cb8;
$custom-light: #8e8ace;
$custom-dark: #000000;

JSON

{
  "hex": "#585cb8",
  "rgb": {
    "r": 88,
    "g": 92,
    "b": 184
  },
  "hsl": {
    "h": 237.5,
    "s": 40.336,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51856,
    "c": 0.14222,
    "h": 278.3
  },
  "luminance": 0.1319
}

Semantic roles & 50–950 ramp

primary

#585CB8

secondary

#CBC9A1

accent

#CB58D0

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #585CB8

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

Preview Lab → · Contrast checker → · Palette generator →