#596B99#596B99

#596B99 is a mid, moderate blue. Relative luminance 0.149; OKLCH L 53.3% C 0.076 H 267.4°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#596B99
RGB	rgb(89, 107, 153)
HSL	hsl(223, 26%, 47%)
HSV	hsv(223, 42%, 60%)
CMYK	cmyk(41.8%, 30.1%, 0%, 40%)
CIE-LAB	lab(45.55, 5.65, -27.15)
CIE-LCH	lch(45.55, 27.73, 281.76°)
OKLab	oklab(53.25% -0.0034 -0.0758)
OKLCH	oklch(53.25% 0.076 267.4)
XYZ	xyz(15.1255, 14.9384, 32.2172)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#596B99 #998759

analogous

#598B99 #596B99 #675999

triadic

#596B99 #99596B #6B9959

tetradic

#596B99 #99598B #998759 #599967

square

#596B99 #99598B #998759 #599967

split-complementary

#596B99 #996759 #8B9959

monochromatic

#2C354C #425072 #596B99 #7C8CB3 #A3AEC9

Accessibility & contrast

On white

5.27

#596B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#596B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #596B99

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##596B99	#FFFFFF	#000000	##FFFFFF
##596B99	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6F9B

Deuteranopia (green-blind)

#556998

Tritanopia (blue-blind)

#44747B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #596b99;
/* rgb */ color: rgb(89, 107, 153);
/* oklch */ color: oklch(53.3% 0.076 267.4);

Tailwind

colors: {
  custom: {
    50: '#8a95b7',
    500: '#596b99',
    950: '#000000',
  },
}

SCSS

$custom: #596b99;
$custom-light: #8a95b7;
$custom-dark: #000000;

JSON

{
  "hex": "#596b99",
  "rgb": {
    "r": 89,
    "g": 107,
    "b": 153
  },
  "hsl": {
    "h": 223.125,
    "s": 26.446,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5325,
    "c": 0.07591,
    "h": 267.4
  },
  "luminance": 0.14939
}

Semantic roles & 50–950 ramp

primary

#596B99

secondary

#B7AE97

accent

#A865C3

background

#F8F9FB

surface

#F0F1F6

border

#CBCBD0

text

#0C0D11

muted

#7D7E80

Preview Lab

Preview with #596B99

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

Preview Lab → · Contrast checker → · Palette generator →