#577C8E#577C8E

#577C8E is a mid, muted cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.050 H 229.7°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#577C8E
RGB	rgb(87, 124, 142)
HSL	hsl(200, 24%, 45%)
HSV	hsv(200, 39%, 56%)
CMYK	cmyk(38.7%, 12.7%, 0%, 44.3%)
CIE-LAB	lab(49.97, -8.17, -13.88)
CIE-LCH	lch(49.97, 16.11, 239.53°)
OKLab	oklab(56.54% -0.0324 -0.0382)
OKLCH	oklch(56.54% 0.05 229.7)
XYZ	xyz(16.0190, 18.3936, 28.2922)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C8E #8E6957

analogous

#578E84 #577C8E #57618E

triadic

#577C8E #8E577C #7C8E57

tetradic

#577C8E #84578E #8E6957 #618E57

square

#577C8E #84578E #8E6957 #618E57

split-complementary

#577C8E #8E5761 #8E8457

monochromatic

#283A42 #405B68 #577C8E #779AAB #9DB6C3

Accessibility & contrast

On white

4.49

#577C8E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#577C8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C8E

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C8E	#FFFFFF	#000000	##000000
##577C8E	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8F

Deuteranopia (green-blind)

#6B748E

Tritanopia (blue-blind)

#438182

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577c8e;
/* rgb */ color: rgb(87, 124, 142);
/* oklch */ color: oklch(56.5% 0.050 229.7);

Tailwind

colors: {
  custom: {
    50: '#89a1af',
    500: '#577c8e',
    950: '#000000',
  },
}

SCSS

$custom: #577c8e;
$custom-light: #89a1af;
$custom-dark: #000000;

JSON

{
  "hex": "#577c8e",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 142
  },
  "hsl": {
    "h": 199.636,
    "s": 24.017,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56543,
    "c": 0.05006,
    "h": 229.7
  },
  "luminance": 0.18395
}

Semantic roles & 50–950 ramp

primary

#577C8E

secondary

#B09B90

accent

#8567C0

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0F10

muted

#7D7E7F

Preview Lab

Preview with #577C8E

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

Preview Lab → · Contrast checker → · Palette generator →