#577298#577298

#577298 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 54.6% C 0.068 H 257.0°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#577298
RGB	rgb(87, 114, 152)
HSL	hsl(215, 27%, 47%)
HSV	hsv(215, 43%, 60%)
CMYK	cmyk(42.8%, 25%, 0%, 40.4%)
CIE-LAB	lab(47.40, 0.56, -23.70)
CIE-LCH	lch(47.40, 23.71, 271.35°)
OKLab	oklab(54.65% -0.0152 -0.0659)
OKLCH	oklch(54.65% 0.068 257)
XYZ	xyz(15.6135, 16.3270, 32.0284)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577298 #987D57

analogous

#579398 #577298 #5D5798

triadic

#577298 #985772 #729857

tetradic

#577298 #985793 #987D57 #57985D

square

#577298 #985793 #987D57 #57985D

split-complementary

#577298 #985D57 #939857

monochromatic

#2A384A #415571 #577298 #7A91B3 #A0B1C9

Accessibility & contrast

On white

4.92

#577298 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#577298 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577298

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577298	#FFFFFF	#000000	##FFFFFF
##577298	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)

#64749A

Deuteranopia (green-blind)

#5D6E97

Tritanopia (blue-blind)

#407A7F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577298;
/* rgb */ color: rgb(87, 114, 152);
/* oklch */ color: oklch(54.6% 0.068 257.0);

Tailwind

colors: {
  custom: {
    50: '#899ab6',
    500: '#577298',
    950: '#000000',
  },
}

SCSS

$custom: #577298;
$custom-light: #899ab6;
$custom-dark: #000000;

JSON

{
  "hex": "#577298",
  "rgb": {
    "r": 87,
    "g": 114,
    "b": 152
  },
  "hsl": {
    "h": 215.077,
    "s": 27.197,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54647,
    "c": 0.06768,
    "h": 257
  },
  "luminance": 0.16328
}

Semantic roles & 50–950 ramp

primary

#577298

secondary

#B6A894

accent

#9C64C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577298

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

Preview Lab → · Contrast checker → · Palette generator →