#577790#577790

#577790 is a mid, muted cyan. Relative luminance 0.172; OKLCH L 55.4% C 0.054 H 242.4°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#577790
RGB	rgb(87, 119, 144)
HSL	hsl(206, 25%, 45%)
HSV	hsv(206, 40%, 56%)
CMYK	cmyk(39.6%, 17.4%, 0%, 43.5%)
CIE-LAB	lab(48.55, -4.72, -17.22)
CIE-LCH	lch(48.55, 17.85, 254.67°)
OKLab	oklab(55.45% -0.0248 -0.0475)
OKLCH	oklch(55.45% 0.054 242.4)
XYZ	xyz(15.5597, 17.2326, 28.8865)
Luminance	0.1723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577790 #907057

analogous

#57908C #577790 #575A90

triadic

#577790 #905777 #779057

tetradic

#577790 #8C5790 #907057 #5A9057

square

#577790 #8C5790 #907057 #5A9057

split-complementary

#577790 #90575A #908C57

monochromatic

#293844 #40576A #577790 #7795AD #9DB3C4

Accessibility & contrast

On white

4.72

#577790 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#577790 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577790

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577790	#FFFFFF	#000000	##FFFFFF
##577790	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7791

Deuteranopia (green-blind)

#657190

Tritanopia (blue-blind)

#437D7F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577790;
/* rgb */ color: rgb(87, 119, 144);
/* oklch */ color: oklch(55.4% 0.054 242.4);

Tailwind

colors: {
  custom: {
    50: '#899eb0',
    500: '#577790',
    950: '#000000',
  },
}

SCSS

$custom: #577790;
$custom-light: #899eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#577790",
  "rgb": {
    "r": 87,
    "g": 119,
    "b": 144
  },
  "hsl": {
    "h": 206.316,
    "s": 24.675,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55445,
    "c": 0.05362,
    "h": 242.4
  },
  "luminance": 0.17234
}

Semantic roles & 50–950 ramp

primary

#577790

secondary

#B29F91

accent

#8E67C1

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0E10

muted

#7D7E7F

Preview Lab

Preview with #577790

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

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