#57599A#57599A

#57599A is a mid, moderate blue. Relative luminance 0.115; OKLCH L 49.3% C 0.103 H 280.6°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#57599A
RGB	rgb(87, 89, 154)
HSL	hsl(238, 28%, 47%)
HSV	hsv(238, 44%, 60%)
CMYK	cmyk(43.5%, 42.2%, 0%, 39.6%)
CIE-LAB	lab(40.42, 16.63, -35.82)
CIE-LCH	lch(40.42, 39.49, 294.91°)
OKLab	oklab(49.27% 0.0189 -0.1011)
OKLCH	oklch(49.27% 0.103 280.6)
XYZ	xyz(13.3339, 11.5035, 32.0834)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57599A #9A9857

analogous

#577B9A #57599A #77579A

triadic

#57599A #9A5759 #599A57

tetradic

#57599A #9A577B #9A9857 #579A77

square

#57599A #9A577B #9A9857 #579A77

split-complementary

#57599A #9A7757 #7B9A57

monochromatic

#2B2C4C #414273 #57599A #7A7CB4 #A1A3CA

Accessibility & contrast

On white

6.36

#57599A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#57599A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57599A

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57599A	#FFFFFF	#000000	##FFFFFF
##57599A	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41629C

Deuteranopia (green-blind)

#3D5D98

Tritanopia (blue-blind)

#426672

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #57599a;
/* rgb */ color: rgb(87, 89, 154);
/* oklch */ color: oklch(49.3% 0.103 280.6);

Tailwind

colors: {
  custom: {
    50: '#8a87b8',
    500: '#57599a',
    950: '#000000',
  },
}

SCSS

$custom: #57599a;
$custom-light: #8a87b8;
$custom-dark: #000000;

JSON

{
  "hex": "#57599a",
  "rgb": {
    "r": 87,
    "g": 89,
    "b": 154
  },
  "hsl": {
    "h": 238.209,
    "s": 27.801,
    "l": 47.255
  },
  "oklch": {
    "l": 0.49273,
    "c": 0.10282,
    "h": 280.6
  },
  "luminance": 0.11504
}

Semantic roles & 50–950 ramp

primary

#57599A

secondary

#B8B795

accent

#C164C4

background

#F8F8FB

surface

#F0EFF6

border

#CBCAD0

text

#0C0B11

muted

#7D7C80

Preview Lab

Preview with #57599A

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

Preview Lab → · Contrast checker → · Palette generator →