#577B86#577B86

#577B86 is a mid, muted cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.044 H 218.8°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#577B86
RGB	rgb(87, 123, 134)
HSL	hsl(194, 21%, 43%)
HSV	hsv(194, 35%, 53%)
CMYK	cmyk(35.1%, 8.2%, 0%, 47.5%)
CIE-LAB	lab(49.39, -9.77, -10.05)
CIE-LCH	lch(49.39, 14.02, 225.81°)
OKLab	oklab(55.99% -0.0343 -0.0275)
OKLCH	oklch(55.99% 0.044 218.8)
XYZ	xyz(15.3151, 17.9125, 25.2001)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B86 #866257

analogous

#578679 #577B86 #576386

triadic

#577B86 #86577B #7B8657

tetradic

#577B86 #795786 #866257 #638657

square

#577B86 #795786 #866257 #638657

split-complementary

#577B86 #865763 #867957

monochromatic

#27373C #3F5961 #577B86 #759AA5 #9AB5BD

Accessibility & contrast

On white

4.58

#577B86 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#577B86 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577B86

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B86	#FFFFFF	#000000	##000000
##577B86	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747987

Deuteranopia (green-blind)

#6C7386

Tritanopia (blue-blind)

#467F7E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577b86;
/* rgb */ color: rgb(87, 123, 134);
/* oklch */ color: oklch(56.0% 0.044 218.8);

Tailwind

colors: {
  custom: {
    50: '#88a1a9',
    500: '#577b86',
    950: '#000000',
  },
}

SCSS

$custom: #577b86;
$custom-light: #88a1a9;
$custom-dark: #000000;

JSON

{
  "hex": "#577b86",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 134
  },
  "hsl": {
    "h": 194.043,
    "s": 21.267,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5599,
    "c": 0.04397,
    "h": 218.8
  },
  "luminance": 0.17913
}

Semantic roles & 50–950 ramp

primary

#577B86

secondary

#AB958E

accent

#7E6ABE

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F0F

muted

#7C7E7F

Preview Lab

Preview with #577B86

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

Preview Lab → · Contrast checker → · Palette generator →