#577199#577199

#577199 is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.5% C 0.070 H 258.8°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#577199
RGB	rgb(87, 113, 153)
HSL	hsl(216, 28%, 47%)
HSV	hsv(216, 43%, 60%)
CMYK	cmyk(43.1%, 26.1%, 0%, 40%)
CIE-LAB	lab(47.15, 1.45, -24.67)
CIE-LCH	lch(47.15, 24.72, 273.37°)
OKLab	oklab(54.47% -0.0136 -0.0687)
OKLCH	oklch(54.47% 0.07 258.8)
XYZ	xyz(15.5835, 16.1355, 32.4241)
Luminance	0.1614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577199 #997F57

analogous

#579299 #577199 #5E5799

triadic

#577199 #995771 #719957

tetradic

#577199 #995792 #997F57 #57995E

square

#577199 #995792 #997F57 #57995E

split-complementary

#577199 #995E57 #929957

monochromatic

#2B374B #415472 #577199 #7A91B3 #A1B1C9

Accessibility & contrast

On white

4.97

#577199 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#577199 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577199

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577199	#FFFFFF	#000000	##FFFFFF
##577199	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62739B

Deuteranopia (green-blind)

#5B6D98

Tritanopia (blue-blind)

#3F7A7F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577199;
/* rgb */ color: rgb(87, 113, 153);
/* oklch */ color: oklch(54.5% 0.070 258.8);

Tailwind

colors: {
  custom: {
    50: '#8999b7',
    500: '#577199',
    950: '#000000',
  },
}

SCSS

$custom: #577199;
$custom-light: #8999b7;
$custom-dark: #000000;

JSON

{
  "hex": "#577199",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 153
  },
  "hsl": {
    "h": 216.364,
    "s": 27.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54466,
    "c": 0.07006,
    "h": 258.8
  },
  "luminance": 0.16136
}

Semantic roles & 50–950 ramp

primary

#577199

secondary

#B7AA95

accent

#9E64C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0D11

muted

#7D7E80

Preview Lab

Preview with #577199

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

Preview Lab → · Contrast checker → · Palette generator →