#57599C#57599C

#57599C is a mid, moderate blue. Relative luminance 0.116; OKLCH L 49.4% C 0.106 H 280.5°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#57599C
RGB	rgb(87, 89, 156)
HSL	hsl(238, 28%, 48%)
HSV	hsv(238, 44%, 61%)
CMYK	cmyk(44.2%, 42.9%, 0%, 38.8%)
CIE-LAB	lab(40.53, 17.24, -36.84)
CIE-LCH	lch(40.53, 40.68, 295.08°)
OKLab	oklab(49.39% 0.0193 -0.104)
OKLCH	oklch(49.39% 0.106 280.5)
XYZ	xyz(13.5018, 11.5707, 32.9680)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57599C #9C9A57

analogous

#577B9C #57599C #78579C

triadic

#57599C #9C5759 #599C57

tetradic

#57599C #9C577B #9C9A57 #579C78

square

#57599C #9C577B #9C9A57 #579C78

split-complementary

#57599C #9C7857 #7B9C57

monochromatic

#2B2C4D #414375 #57599C #7B7DB5 #A2A3CB

Accessibility & contrast

On white

6.34

#57599C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#57599C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57599C

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57599C	#FFFFFF	#000000	##FFFFFF
##57599C	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40629F

Deuteranopia (green-blind)

#3C5D9A

Tritanopia (blue-blind)

#416773

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #57599c;
/* rgb */ color: rgb(87, 89, 156);
/* oklch */ color: oklch(49.4% 0.106 280.5);

Tailwind

colors: {
  custom: {
    50: '#8a87b9',
    500: '#57599c',
    950: '#000000',
  },
}

SCSS

$custom: #57599c;
$custom-light: #8a87b9;
$custom-dark: #000000;

JSON

{
  "hex": "#57599c",
  "rgb": {
    "r": 87,
    "g": 89,
    "b": 156
  },
  "hsl": {
    "h": 238.261,
    "s": 28.395,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49392,
    "c": 0.10582,
    "h": 280.5
  },
  "luminance": 0.11571
}

Semantic roles & 50–950 ramp

primary

#57599C

secondary

#B9B896

accent

#C263C5

background

#F8F8FB

surface

#F0EFF6

border

#CBCAD0

text

#0C0B11

muted

#7D7C80

Preview Lab

Preview with #57599C

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

Preview Lab → · Contrast checker → · Palette generator →