#596BBB#596BBB

#596BBB is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.1% C 0.126 H 272.1°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#596BBB
RGB	rgb(89, 107, 187)
HSL	hsl(229, 42%, 54%)
HSV	hsv(229, 52%, 73%)
CMYK	cmyk(52.4%, 42.8%, 0%, 26.7%)
CIE-LAB	lab(47.27, 16.24, -44.36)
CIE-LCH	lch(47.27, 47.23, 290.11°)
OKLab	oklab(55.14% 0.0047 -0.1259)
OKLCH	oklch(55.14% 0.126 272.1)
XYZ	xyz(18.3443, 16.2259, 49.1693)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#596BBB #BBA959

analogous

#599CBB #596BBB #7859BB

triadic

#596BBB #BB596B #6BBB59

tetradic

#596BBB #BB599C #BBA959 #59BB78

square

#596BBB #BB599C #BBA959 #59BB78

split-complementary

#596BBB #BB7859 #9CBB59

monochromatic

#2D386D #3E4F98 #596BBB #8492CD #B0B8DF

Accessibility & contrast

On white

4.95

#596BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#596BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #596BBB

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##596BBB	#FFFFFF	#000000	##FFFFFF
##596BBB	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A75BE

Deuteranopia (green-blind)

#3F6CB9

Tritanopia (blue-blind)

#2C7C8A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #596bbb;
/* rgb */ color: rgb(89, 107, 187);
/* oklch */ color: oklch(55.1% 0.126 272.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#596bbb",
  "rgb": {
    "r": 89,
    "g": 107,
    "b": 187
  },
  "hsl": {
    "h": 228.98,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55139,
    "c": 0.12597,
    "h": 272.1
  },
  "luminance": 0.16227
}

Semantic roles & 50–950 ramp

primary

#596BBB

secondary

#CDC5A3

accent

#BB56D2

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #596BBB

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

Preview Lab → · Contrast checker → · Palette generator →