#596BCB#596BCB

#596BCB is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.1% C 0.149 H 272.7°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#596BCB
RGB	rgb(89, 107, 203)
HSL	hsl(231, 52%, 57%)
HSV	hsv(231, 56%, 80%)
CMYK	cmyk(56.2%, 47.3%, 0%, 20.4%)
CIE-LAB	lab(48.20, 21.45, -52.09)
CIE-LCH	lch(48.20, 56.33, 292.38°)
OKLab	oklab(56.15% 0.0071 -0.1486)
OKLCH	oklch(56.15% 0.149 272.7)
XYZ	xyz(20.1535, 16.9496, 58.6979)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#596BCB #CBB959

analogous

#59A4CB #596BCB #8059CB

triadic

#596BCB #CB596B #6BCB59

tetradic

#596BCB #CB59A4 #CBB959 #59CB80

square

#596BCB #CB59A4 #CBB959 #59CB80

split-complementary

#596BCB #CB8059 #A4CB59

monochromatic

#283681 #374AB0 #596BCB #8895DA #B6BEE8

Accessibility & contrast

On white

4.78

#596BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#596BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #596BCB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##596BCB	#FFFFFF	#000000	##FFFFFF
##596BCB	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E78CF

Deuteranopia (green-blind)

#2E6EC9

Tritanopia (blue-blind)

#158091

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #596bcb;
/* rgb */ color: rgb(89, 107, 203);
/* oklch */ color: oklch(56.1% 0.149 272.7);

Tailwind

colors: {
  custom: {
    50: '#9095db',
    500: '#596bcb',
    950: '#000000',
  },
}

SCSS

$custom: #596bcb;
$custom-light: #9095db;
$custom-dark: #000000;

JSON

{
  "hex": "#596bcb",
  "rgb": {
    "r": 89,
    "g": 107,
    "b": 203
  },
  "hsl": {
    "h": 230.526,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56146,
    "c": 0.14875,
    "h": 272.7
  },
  "luminance": 0.16951
}

Semantic roles & 50–950 ramp

primary

#596BCB

secondary

#D7D0A9

accent

#C54CDC

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #596BCB

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

Preview Lab → · Contrast checker → · Palette generator →