#597FCF#597FCF

#597FCF is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.130 H 263.8°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#597FCF
RGB	rgb(89, 127, 207)
HSL	hsl(221, 55%, 58%)
HSV	hsv(221, 57%, 81%)
CMYK	cmyk(57%, 38.6%, 0%, 18.8%)
CIE-LAB	lab(53.82, 10.48, -45.41)
CIE-LCH	lch(53.82, 46.60, 283.00°)
OKLab	oklab(60.53% -0.0141 -0.1288)
OKLCH	oklch(60.53% 0.13 263.8)
XYZ	xyz(22.9678, 21.8057, 62.0180)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#597FCF #CFA959

analogous

#59BACF #597FCF #6E59CF

triadic

#597FCF #CF597F #7FCF59

tetradic

#597FCF #CF59BA #CFA959 #59CF6E

square

#597FCF #CF59BA #CFA959 #59CF6E

split-complementary

#597FCF #CF6E59 #BACF59

monochromatic

#274687 #355EB6 #597FCF #88A4DD #B8C8EA

Accessibility & contrast

On white

3.92

#597FCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#597FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #597FCF

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##597FCF	#FFFFFF	#000000	##000000
##597FCF	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E86D2

Deuteranopia (green-blind)

#4E7CCD

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #597fcf;
/* rgb */ color: rgb(89, 127, 207);
/* oklch */ color: oklch(60.5% 0.130 263.8);

Tailwind

colors: {
  custom: {
    50: '#90a3de',
    500: '#597fcf',
    950: '#000000',
  },
}

SCSS

$custom: #597fcf;
$custom-light: #90a3de;
$custom-dark: #000000;

JSON

{
  "hex": "#597fcf",
  "rgb": {
    "r": 89,
    "g": 127,
    "b": 207
  },
  "hsl": {
    "h": 220.678,
    "s": 55.14,
    "l": 58.039
  },
  "oklch": {
    "l": 0.60532,
    "c": 0.12954,
    "h": 263.8
  },
  "luminance": 0.21808
}

Semantic roles & 50–950 ramp

primary

#597FCF

secondary

#D9CAAA

accent

#AE49DE

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #597FCF

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

Preview Lab → · Contrast checker → · Palette generator →