#596FBB#596FBB

#596FBB is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.0% C 0.121 H 270.0°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#596FBB
RGB	rgb(89, 111, 187)
HSL	hsl(227, 42%, 54%)
HSV	hsv(227, 52%, 73%)
CMYK	cmyk(52.4%, 40.6%, 0%, 26.7%)
CIE-LAB	lab(48.36, 13.76, -42.62)
CIE-LCH	lch(48.36, 44.79, 287.89°)
OKLab	oklab(55.98% 0 -0.1208)
OKLCH	oklch(55.98% 0.121 270)
XYZ	xyz(18.7710, 17.0793, 49.3116)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#596FBB #BBA559

analogous

#59A0BB #596FBB #7459BB

triadic

#596FBB #BB596F #6FBB59

tetradic

#596FBB #BB59A0 #BBA559 #59BB74

square

#596FBB #BB59A0 #BBA559 #59BB74

split-complementary

#596FBB #BB7459 #A0BB59

monochromatic

#2D3B6D #3E5398 #596FBB #8495CD #B0BADF

Accessibility & contrast

On white

4.76

#596FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#596FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #596FBB

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##596FBB	#FFFFFF	#000000	##FFFFFF
##596FBB	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5077BE

Deuteranopia (green-blind)

#456FB9

Tritanopia (blue-blind)

#2B7F8C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #596fbb;
/* rgb */ color: rgb(89, 111, 187);
/* oklch */ color: oklch(56.0% 0.121 270.0);

Tailwind

colors: {
  custom: {
    50: '#8e98d0',
    500: '#596fbb',
    950: '#000000',
  },
}

SCSS

$custom: #596fbb;
$custom-light: #8e98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#596fbb",
  "rgb": {
    "r": 89,
    "g": 111,
    "b": 187
  },
  "hsl": {
    "h": 226.531,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55976,
    "c": 0.12077,
    "h": 270
  },
  "luminance": 0.17081
}

Semantic roles & 50–950 ramp

primary

#596FBB

secondary

#CDC3A3

accent

#B656D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #596FBB

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

Preview Lab → · Contrast checker → · Palette generator →