#577299#577299

#577299 is a mid, moderate blue. Relative luminance 0.164; OKLCH L 54.7% C 0.069 H 257.5°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#577299
RGB	rgb(87, 114, 153)
HSL	hsl(215, 28%, 47%)
HSV	hsv(215, 43%, 60%)
CMYK	cmyk(43.1%, 25.5%, 0%, 40%)
CIE-LAB	lab(47.44, 0.85, -24.22)
CIE-LCH	lch(47.44, 24.24, 272.02°)
OKLab	oklab(54.69% -0.0149 -0.0674)
OKLCH	oklch(54.69% 0.069 257.5)
XYZ	xyz(15.6957, 16.3599, 32.4615)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577299 #997E57

analogous

#579399 #577299 #5D5799

triadic

#577299 #995772 #729957

tetradic

#577299 #995793 #997E57 #57995D

square

#577299 #995793 #997E57 #57995D

split-complementary

#577299 #995D57 #939957

monochromatic

#2B384B #415572 #577299 #7A91B3 #A1B2C9

Accessibility & contrast

On white

4.92

#577299 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#577299 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577299

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577299	#FFFFFF	#000000	##FFFFFF
##577299	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64749B

Deuteranopia (green-blind)

#5C6E98

Tritanopia (blue-blind)

#3F7A7F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577299;
/* rgb */ color: rgb(87, 114, 153);
/* oklch */ color: oklch(54.7% 0.069 257.5);

Tailwind

colors: {
  custom: {
    50: '#899ab7',
    500: '#577299',
    950: '#000000',
  },
}

SCSS

$custom: #577299;
$custom-light: #899ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#577299",
  "rgb": {
    "r": 87,
    "g": 114,
    "b": 153
  },
  "hsl": {
    "h": 215.455,
    "s": 27.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54694,
    "c": 0.06907,
    "h": 257.5
  },
  "luminance": 0.16361
}

Semantic roles & 50–950 ramp

primary

#577299

secondary

#B7A995

accent

#9D64C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577299

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

Preview Lab → · Contrast checker → · Palette generator →