#596FCB#596FCB

#596FCB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.0% C 0.144 H 271.1°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#596FCB
RGB	rgb(89, 111, 203)
HSL	hsl(228, 52%, 57%)
HSV	hsv(228, 56%, 80%)
CMYK	cmyk(56.2%, 45.3%, 0%, 20.4%)
CIE-LAB	lab(49.26, 18.97, -50.39)
CIE-LCH	lch(49.26, 53.85, 290.62°)
OKLab	oklab(56.95% 0.0028 -0.1435)
OKLCH	oklch(56.95% 0.144 271.1)
XYZ	xyz(20.5802, 17.8030, 58.8402)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#596FCB #CBB559

analogous

#59A8CB #596FCB #7C59CB

triadic

#596FCB #CB596F #6FCB59

tetradic

#596FCB #CB59A8 #CBB559 #59CB7C

square

#596FCB #CB59A8 #CBB559 #59CB7C

split-complementary

#596FCB #CB7C59 #A8CB59

monochromatic

#283A81 #374EB0 #596FCB #8897DA #B6C0E8

Accessibility & contrast

On white

4.60

#596FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#596FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #596FCB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##596FCB	#FFFFFF	#000000	##FFFFFF
##596FCB	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ACE

Deuteranopia (green-blind)

#3670C9

Tritanopia (blue-blind)

#138393

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #596fcb;
/* rgb */ color: rgb(89, 111, 203);
/* oklch */ color: oklch(57.0% 0.144 271.1);

Tailwind

colors: {
  custom: {
    50: '#9098db',
    500: '#596fcb',
    950: '#000000',
  },
}

SCSS

$custom: #596fcb;
$custom-light: #9098db;
$custom-dark: #000000;

JSON

{
  "hex": "#596fcb",
  "rgb": {
    "r": 89,
    "g": 111,
    "b": 203
  },
  "hsl": {
    "h": 228.421,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56953,
    "c": 0.14358,
    "h": 271.1
  },
  "luminance": 0.17805
}

Semantic roles & 50–950 ramp

primary

#596FCB

secondary

#D7CEA9

accent

#C04CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #596FCB

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

Preview Lab → · Contrast checker → · Palette generator →