#596CBB#596CBB

#596CBB is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.3% C 0.125 H 271.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#596CBB
RGB	rgb(89, 108, 187)
HSL	hsl(228, 42%, 54%)
HSV	hsv(228, 52%, 73%)
CMYK	cmyk(52.4%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(47.54, 15.62, -43.92)
CIE-LCH	lch(47.54, 46.62, 289.57°)
OKLab	oklab(55.35% 0.0035 -0.1246)
OKLCH	oklch(55.35% 0.125 271.6)
XYZ	xyz(18.4491, 16.4356, 49.2043)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#596CBB #BBA859

analogous

#599DBB #596CBB #7759BB

triadic

#596CBB #BB596C #6CBB59

tetradic

#596CBB #BB599D #BBA859 #59BB77

square

#596CBB #BB599D #BBA859 #59BB77

split-complementary

#596CBB #BB7759 #9DBB59

monochromatic

#2D396D #3E5098 #596CBB #8492CD #B0B9DF

Accessibility & contrast

On white

4.90

#596CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#596CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #596CBB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##596CBB	#FFFFFF	#000000	##FFFFFF
##596CBB	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B75BE

Deuteranopia (green-blind)

#416DB9

Tritanopia (blue-blind)

#2C7D8A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #596cbb;
/* rgb */ color: rgb(89, 108, 187);
/* oklch */ color: oklch(55.3% 0.125 271.6);

Tailwind

colors: {
  custom: {
    50: '#8e95d0',
    500: '#596cbb',
    950: '#000000',
  },
}

SCSS

$custom: #596cbb;
$custom-light: #8e95d0;
$custom-dark: #000000;

JSON

{
  "hex": "#596cbb",
  "rgb": {
    "r": 89,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 228.367,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55347,
    "c": 0.12465,
    "h": 271.6
  },
  "luminance": 0.16437
}

Semantic roles & 50–950 ramp

primary

#596CBB

secondary

#CDC5A3

accent

#BA56D2

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #596CBB

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

Preview Lab → · Contrast checker → · Palette generator →