#597FBC#597FBC

#597FBC is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.5% C 0.103 H 259.5°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#597FBC
RGB	rgb(89, 127, 188)
HSL	hsl(217, 42%, 54%)
HSV	hsv(217, 53%, 74%)
CMYK	cmyk(52.7%, 32.4%, 0%, 26.3%)
CIE-LAB	lab(52.87, 4.35, -36.08)
CIE-LCH	lch(52.87, 36.34, 276.88°)
OKLab	oklab(59.49% -0.0187 -0.1016)
OKLCH	oklch(59.49% 0.103 259.5)
XYZ	xyz(20.7832, 20.9319, 50.5123)
Luminance	0.2093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#597FBC #BC9659

analogous

#59B0BC #597FBC #6559BC

triadic

#597FBC #BC597F #7FBC59

tetradic

#597FBC #BC59B0 #BC9659 #59BC65

square

#597FBC #BC59B0 #BC9659 #59BC65

split-complementary

#597FBC #BC6559 #B0BC59

monochromatic

#2C466E #3E619A #597FBC #85A1CE #B0C2DF

Accessibility & contrast

On white

4.05

#597FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#597FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #597FBC

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##597FBC	#FFFFFF	#000000	##000000
##597FBC	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BF

Deuteranopia (green-blind)

#5B7ABB

Tritanopia (blue-blind)

#268C95

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #597fbc;
/* rgb */ color: rgb(89, 127, 188);
/* oklch */ color: oklch(59.5% 0.103 259.5);

Tailwind

colors: {
  custom: {
    50: '#8ea3d0',
    500: '#597fbc',
    950: '#000000',
  },
}

SCSS

$custom: #597fbc;
$custom-light: #8ea3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#597fbc",
  "rgb": {
    "r": 89,
    "g": 127,
    "b": 188
  },
  "hsl": {
    "h": 216.97,
    "s": 42.489,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59489,
    "c": 0.10329,
    "h": 259.5
  },
  "luminance": 0.20933
}

Semantic roles & 50–950 ramp

primary

#597FBC

secondary

#CDBDA3

accent

#A256D2

background

#F9FAFC

surface

#F1F3F9

border

#CBCDD2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #597FBC

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

Preview Lab → · Contrast checker → · Palette generator →