#597FCE#597FCE

#597FCE is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.128 H 263.6°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#597FCE
RGB	rgb(89, 127, 206)
HSL	hsl(221, 54%, 58%)
HSV	hsv(221, 57%, 81%)
CMYK	cmyk(56.8%, 38.3%, 0%, 19.2%)
CIE-LAB	lab(53.77, 10.16, -44.92)
CIE-LCH	lch(53.77, 46.06, 282.74°)
OKLab	oklab(60.48% -0.0143 -0.1274)
OKLCH	oklch(60.48% 0.128 263.6)
XYZ	xyz(22.8460, 21.7570, 61.3762)
Luminance	0.2176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#597FCE #CEA859

analogous

#59B9CE #597FCE #6D59CE

triadic

#597FCE #CE597F #7FCE59

tetradic

#597FCE #CE59B9 #CEA859 #59CE6D

square

#597FCE #CE59B9 #CEA859 #59CE6D

split-complementary

#597FCE #CE6D59 #B9CE59

monochromatic

#274685 #355FB5 #597FCE #88A3DC #B8C8EA

Accessibility & contrast

On white

3.92

#597FCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#597FCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #597FCE

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##597FCE	#FFFFFF	#000000	##000000
##597FCE	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E86D1

Deuteranopia (green-blind)

#4F7CCC

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #597fce;
/* rgb */ color: rgb(89, 127, 206);
/* oklch */ color: oklch(60.5% 0.128 263.6);

Tailwind

colors: {
  custom: {
    50: '#90a3dd',
    500: '#597fce',
    950: '#000000',
  },
}

SCSS

$custom: #597fce;
$custom-light: #90a3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#597fce",
  "rgb": {
    "r": 89,
    "g": 127,
    "b": 206
  },
  "hsl": {
    "h": 220.513,
    "s": 54.419,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60475,
    "c": 0.12816,
    "h": 263.6
  },
  "luminance": 0.21759
}

Semantic roles & 50–950 ramp

primary

#597FCE

secondary

#D9CAAA

accent

#AE4ADE

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #597FCE

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

Preview Lab → · Contrast checker → · Palette generator →