#577B94#577B94

#577B94 is a mid, muted cyan. Relative luminance 0.183; OKLCH L 56.6% C 0.056 H 239.3°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#577B94
RGB	rgb(87, 123, 148)
HSL	hsl(205, 26%, 46%)
HSV	hsv(205, 41%, 58%)
CMYK	cmyk(41.2%, 16.9%, 0%, 42%)
CIE-LAB	lab(49.89, -5.91, -17.52)
CIE-LCH	lch(49.89, 18.49, 251.37°)
OKLab	oklab(56.56% -0.0287 -0.0484)
OKLCH	oklch(56.56% 0.056 239.3)
XYZ	xyz(16.3569, 18.3293, 30.6872)
Luminance	0.1833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B94 #947057

analogous

#57948E #577B94 #575C94

triadic

#577B94 #94577B #7B9457

tetradic

#577B94 #8E5794 #947057 #5C9457

square

#577B94 #8E5794 #947057 #5C9457

split-complementary

#577B94 #94575C #948E57

monochromatic

#2A3B47 #405B6D #577B94 #7899B0 #9FB6C7

Accessibility & contrast

On white

4.50

#577B94 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#577B94 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577B94

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B94	#FFFFFF	#000000	##000000
##577B94	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707A95

Deuteranopia (green-blind)

#687494

Tritanopia (blue-blind)

#408183

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577b94;
/* rgb */ color: rgb(87, 123, 148);
/* oklch */ color: oklch(56.6% 0.056 239.3);

Tailwind

colors: {
  custom: {
    50: '#89a1b3',
    500: '#577b94',
    950: '#000000',
  },
}

SCSS

$custom: #577b94;
$custom-light: #89a1b3;
$custom-dark: #000000;

JSON

{
  "hex": "#577b94",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 148
  },
  "hsl": {
    "h": 204.59,
    "s": 25.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56555,
    "c": 0.05626,
    "h": 239.3
  },
  "luminance": 0.1833
}

Semantic roles & 50–950 ramp

primary

#577B94

secondary

#B4A093

accent

#8C65C2

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577B94

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

Preview Lab → · Contrast checker → · Palette generator →