#577498#577498

#577498 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 55.1% C 0.066 H 254.2°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#577498
RGB	rgb(87, 116, 152)
HSL	hsl(213, 27%, 47%)
HSV	hsv(213, 43%, 60%)
CMYK	cmyk(42.8%, 23.7%, 0%, 40.4%)
CIE-LAB	lab(47.99, -0.64, -22.80)
CIE-LCH	lch(47.99, 22.81, 268.40°)
OKLab	oklab(55.11% -0.0179 -0.0634)
OKLCH	oklch(55.11% 0.066 254.2)
XYZ	xyz(15.8415, 16.7831, 32.1044)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577498 #987B57

analogous

#579598 #577498 #5B5798

triadic

#577498 #985774 #749857

tetradic

#577498 #985795 #987B57 #57985B

square

#577498 #985795 #987B57 #57985B

split-complementary

#577498 #985B57 #959857

monochromatic

#2A394A #415671 #577498 #7A93B3 #A0B3C9

Accessibility & contrast

On white

4.82

#577498 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#577498 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577498

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577498	#FFFFFF	#000000	##FFFFFF
##577498	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66759A

Deuteranopia (green-blind)

#5F6F97

Tritanopia (blue-blind)

#3F7C80

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #577498;
/* rgb */ color: rgb(87, 116, 152);
/* oklch */ color: oklch(55.1% 0.066 254.2);

Tailwind

colors: {
  custom: {
    50: '#899bb6',
    500: '#577498',
    950: '#000000',
  },
}

SCSS

$custom: #577498;
$custom-light: #899bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#577498",
  "rgb": {
    "r": 87,
    "g": 116,
    "b": 152
  },
  "hsl": {
    "h": 213.231,
    "s": 27.197,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55105,
    "c": 0.06585,
    "h": 254.2
  },
  "luminance": 0.16784
}

Semantic roles & 50–950 ramp

primary

#577498

secondary

#B6A794

accent

#9964C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577498

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

Preview Lab → · Contrast checker → · Palette generator →