#597BBB#597BBB

#597BBB is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.6% C 0.106 H 262.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#597BBB
RGB	rgb(89, 123, 187)
HSL	hsl(219, 42%, 54%)
HSV	hsv(219, 52%, 73%)
CMYK	cmyk(52.4%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(51.70, 6.44, -37.35)
CIE-LCH	lch(51.70, 37.90, 279.78°)
OKLab	oklab(58.56% -0.0143 -0.1053)
OKLCH	oklch(58.56% 0.106 262.3)
XYZ	xyz(20.1694, 19.8762, 49.7777)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#597BBB #BB9959

analogous

#59ACBB #597BBB #6859BB

triadic

#597BBB #BB597B #7BBB59

tetradic

#597BBB #BB59AC #BB9959 #59BB68

square

#597BBB #BB59AC #BB9959 #59BB68

split-complementary

#597BBB #BB6859 #ACBB59

monochromatic

#2D436D #3E5E98 #597BBB #849ECD #B0C0DF

Accessibility & contrast

On white

4.22

#597BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#597BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #597BBB

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##597BBB	#FFFFFF	#000000	##000000
##597BBB	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6280BE

Deuteranopia (green-blind)

#5677BA

Tritanopia (blue-blind)

#288992

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #597bbb;
/* rgb */ color: rgb(89, 123, 187);
/* oklch */ color: oklch(58.6% 0.106 262.3);

Tailwind

colors: {
  custom: {
    50: '#8ea0d0',
    500: '#597bbb',
    950: '#000000',
  },
}

SCSS

$custom: #597bbb;
$custom-light: #8ea0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#597bbb",
  "rgb": {
    "r": 89,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 219.184,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58556,
    "c": 0.10626,
    "h": 262.3
  },
  "luminance": 0.19878
}

Semantic roles & 50–950 ramp

primary

#597BBB

secondary

#CDBEA3

accent

#A756D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #597BBB

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

Preview Lab → · Contrast checker → · Palette generator →