#597ECF#597ECF

#597ECF is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.3% C 0.131 H 264.3°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#597ECF
RGB	rgb(89, 126, 207)
HSL	hsl(221, 55%, 58%)
HSV	hsv(221, 57%, 81%)
CMYK	cmyk(57%, 39.1%, 0%, 18.8%)
CIE-LAB	lab(53.54, 11.09, -45.84)
CIE-LCH	lch(53.54, 47.17, 283.60°)
OKLab	oklab(60.32% -0.013 -0.1301)
OKLCH	oklch(60.32% 0.131 264.3)
XYZ	xyz(22.8393, 21.5487, 61.9751)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#597ECF #CFAA59

analogous

#59B9CF #597ECF #6F59CF

triadic

#597ECF #CF597E #7ECF59

tetradic

#597ECF #CF59B9 #CFAA59 #59CF6F

square

#597ECF #CF59B9 #CFAA59 #59CF6F

split-complementary

#597ECF #CF6F59 #B9CF59

monochromatic

#274587 #355DB6 #597ECF #88A3DD #B8C8EA

Accessibility & contrast

On white

3.95

#597ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#597ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #597ECF

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##597ECF	#FFFFFF	#000000	##000000
##597ECF	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C86D2

Deuteranopia (green-blind)

#4D7BCD

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #597ecf;
/* rgb */ color: rgb(89, 126, 207);
/* oklch */ color: oklch(60.3% 0.131 264.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#597ecf",
  "rgb": {
    "r": 89,
    "g": 126,
    "b": 207
  },
  "hsl": {
    "h": 221.186,
    "s": 55.14,
    "l": 58.039
  },
  "oklch": {
    "l": 0.6032,
    "c": 0.13071,
    "h": 264.3
  },
  "luminance": 0.21551
}

Semantic roles & 50–950 ramp

primary

#597ECF

secondary

#D9CBAA

accent

#B049DE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #597ECF

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

Preview Lab → · Contrast checker → · Palette generator →