#577D98#577D98

#577D98 is a mid, muted cyan. Relative luminance 0.190; OKLCH L 57.2% C 0.060 H 240.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#577D98
RGB	rgb(87, 125, 152)
HSL	hsl(205, 27%, 47%)
HSV	hsv(205, 43%, 60%)
CMYK	cmyk(42.8%, 17.8%, 0%, 40.4%)
CIE-LAB	lab(50.64, -5.92, -18.72)
CIE-LCH	lch(50.64, 19.63, 252.46°)
OKLab	oklab(57.2% -0.0298 -0.0518)
OKLCH	oklch(57.2% 0.06 240.1)
XYZ	xyz(16.9297, 18.9594, 32.4671)
Luminance	0.1896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D98 #987257

analogous

#579893 #577D98 #575D98

triadic

#577D98 #98577D #7D9857

tetradic

#577D98 #935798 #987257 #5D9857

square

#577D98 #935798 #987257 #5D9857

split-complementary

#577D98 #98575D #989357

monochromatic

#2A3D4A #415D71 #577D98 #7A9BB3 #A0B8C9

Accessibility & contrast

On white

4.38

#577D98 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#577D98 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D98

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D98	#FFFFFF	#000000	##000000
##577D98	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717D99

Deuteranopia (green-blind)

#697598

Tritanopia (blue-blind)

#3E8486

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577d98;
/* rgb */ color: rgb(87, 125, 152);
/* oklch */ color: oklch(57.2% 0.060 240.1);

Tailwind

colors: {
  custom: {
    50: '#89a2b6',
    500: '#577d98',
    950: '#000000',
  },
}

SCSS

$custom: #577d98;
$custom-light: #89a2b6;
$custom-dark: #000000;

JSON

{
  "hex": "#577d98",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 152
  },
  "hsl": {
    "h": 204.923,
    "s": 27.197,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57196,
    "c": 0.05976,
    "h": 240.1
  },
  "luminance": 0.1896
}

Semantic roles & 50–950 ramp

primary

#577D98

secondary

#B6A394

accent

#8C64C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F11

muted

#7D7E80

Preview Lab

Preview with #577D98

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

Preview Lab → · Contrast checker → · Palette generator →