#597BCB#597BCB

#597BCB is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.5% C 0.129 H 265.3°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#597BCB
RGB	rgb(89, 123, 203)
HSL	hsl(222, 52%, 57%)
HSV	hsv(222, 56%, 80%)
CMYK	cmyk(56.2%, 39.4%, 0%, 20.4%)
CIE-LAB	lab(52.51, 11.60, -45.22)
CIE-LCH	lch(52.51, 46.68, 284.39°)
OKLab	oklab(59.45% -0.0105 -0.1282)
OKLCH	oklch(59.45% 0.129 265.3)
XYZ	xyz(21.9786, 20.5999, 59.3063)
Luminance	0.2060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#597BCB #CBA959

analogous

#59B4CB #597BCB #7059CB

triadic

#597BCB #CB597B #7BCB59

tetradic

#597BCB #CB59B4 #CBA959 #59CB70

square

#597BCB #CB59B4 #CBA959 #59CB70

split-complementary

#597BCB #CB7059 #B4CB59

monochromatic

#284381 #375BB0 #597BCB #88A0DA #B6C5E8

Accessibility & contrast

On white

4.10

#597BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#597BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #597BCB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##597BCB	#FFFFFF	#000000	##000000
##597BCB	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A83CE

Deuteranopia (green-blind)

#4B78C9

Tritanopia (blue-blind)

#0B8D99

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #597bcb;
/* rgb */ color: rgb(89, 123, 203);
/* oklch */ color: oklch(59.5% 0.129 265.3);

Tailwind

colors: {
  custom: {
    50: '#90a0db',
    500: '#597bcb',
    950: '#000000',
  },
}

SCSS

$custom: #597bcb;
$custom-light: #90a0db;
$custom-dark: #000000;

JSON

{
  "hex": "#597bcb",
  "rgb": {
    "r": 89,
    "g": 123,
    "b": 203
  },
  "hsl": {
    "h": 222.105,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.5945,
    "c": 0.12868,
    "h": 265.3
  },
  "luminance": 0.20602
}

Semantic roles & 50–950 ramp

primary

#597BCB

secondary

#D7C9A9

accent

#B14CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #597BCB

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

Preview Lab → · Contrast checker → · Palette generator →