#597BCF#597BCF

#597BCF is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.7% C 0.134 H 265.9°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#597BCF
RGB	rgb(89, 123, 207)
HSL	hsl(223, 55%, 58%)
HSV	hsv(223, 57%, 81%)
CMYK	cmyk(57%, 40.6%, 0%, 18.8%)
CIE-LAB	lab(52.72, 12.91, -47.15)
CIE-LCH	lch(52.72, 48.88, 285.31°)
OKLab	oklab(59.69% -0.0097 -0.1339)
OKLCH	oklch(59.69% 0.134 265.9)
XYZ	xyz(22.4615, 20.7930, 61.8492)
Luminance	0.2079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#597BCF #CFAD59

analogous

#59B6CF #597BCF #7259CF

triadic

#597BCF #CF597B #7BCF59

tetradic

#597BCF #CF59B6 #CFAD59 #59CF72

square

#597BCF #CF59B6 #CFAD59 #59CF72

split-complementary

#597BCF #CF7259 #B6CF59

monochromatic

#274387 #355AB6 #597BCF #88A1DD #B8C6EA

Accessibility & contrast

On white

4.07

#597BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#597BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #597BCF

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##597BCF	#FFFFFF	#000000	##000000
##597BCF	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5784D2

Deuteranopia (green-blind)

#4879CD

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #597bcf;
/* rgb */ color: rgb(89, 123, 207);
/* oklch */ color: oklch(59.7% 0.134 265.9);

Tailwind

colors: {
  custom: {
    50: '#91a0de',
    500: '#597bcf',
    950: '#000000',
  },
}

SCSS

$custom: #597bcf;
$custom-light: #91a0de;
$custom-dark: #000000;

JSON

{
  "hex": "#597bcf",
  "rgb": {
    "r": 89,
    "g": 123,
    "b": 207
  },
  "hsl": {
    "h": 222.712,
    "s": 55.14,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59685,
    "c": 0.13426,
    "h": 265.9
  },
  "luminance": 0.20795
}

Semantic roles & 50–950 ramp

primary

#597BCF

secondary

#D9CCAA

accent

#B349DE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #597BCF

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

Preview Lab → · Contrast checker → · Palette generator →