#597FBB#597FBB

#597FBB is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.4% C 0.102 H 259.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#597FBB
RGB	rgb(89, 127, 187)
HSL	hsl(217, 42%, 54%)
HSV	hsv(217, 52%, 73%)
CMYK	cmyk(52.4%, 32.1%, 0%, 26.7%)
CIE-LAB	lab(52.83, 4.04, -35.58)
CIE-LCH	lch(52.83, 35.81, 276.47°)
OKLab	oklab(59.44% -0.019 -0.1001)
OKLCH	oklch(59.44% 0.102 259.2)
XYZ	xyz(20.6758, 20.8889, 49.9465)
Luminance	0.2089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#597FBB #BB9559

analogous

#59B0BB #597FBB #6459BB

triadic

#597FBB #BB597F #7FBB59

tetradic

#597FBB #BB59B0 #BB9559 #59BB64

square

#597FBB #BB59B0 #BB9559 #59BB64

split-complementary

#597FBB #BB6459 #B0BB59

monochromatic

#2D466D #3E6198 #597FBB #84A0CD #B0C2DF

Accessibility & contrast

On white

4.06

#597FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#597FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #597FBB

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##597FBB	#FFFFFF	#000000	##000000
##597FBB	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BE

Deuteranopia (green-blind)

#5C7ABA

Tritanopia (blue-blind)

#278C94

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #597fbb;
/* rgb */ color: rgb(89, 127, 187);
/* oklch */ color: oklch(59.4% 0.102 259.2);

Tailwind

colors: {
  custom: {
    50: '#8ea3cf',
    500: '#597fbb',
    950: '#000000',
  },
}

SCSS

$custom: #597fbb;
$custom-light: #8ea3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#597fbb",
  "rgb": {
    "r": 89,
    "g": 127,
    "b": 187
  },
  "hsl": {
    "h": 216.735,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59437,
    "c": 0.10191,
    "h": 259.2
  },
  "luminance": 0.2089
}

Semantic roles & 50–950 ramp

primary

#597FBB

secondary

#CDBDA3

accent

#A256D2

background

#F9FAFC

surface

#F1F3F9

border

#CBCDD2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #597FBB

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

Preview Lab → · Contrast checker → · Palette generator →