#577DA4#577DA4

#577DA4 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.074 H 249.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#577DA4
RGB	rgb(87, 125, 164)
HSL	hsl(210, 31%, 49%)
HSV	hsv(210, 47%, 64%)
CMYK	cmyk(47%, 23.8%, 0%, 35.7%)
CIE-LAB	lab(51.12, -2.38, -24.97)
CIE-LCH	lch(51.12, 25.09, 264.56°)
OKLab	oklab(57.73% -0.0255 -0.0696)
OKLCH	oklch(57.73% 0.074 249.8)
XYZ	xyz(17.9627, 19.3726, 37.9075)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DA4 #A47E57

analogous

#57A4A4 #577DA4 #5857A4

triadic

#577DA4 #A4577D #7DA457

tetradic

#577DA4 #A457A4 #A47E57 #57A458

square

#577DA4 #A457A4 #A47E57 #57A458

split-complementary

#577DA4 #A45857 #A4A457

monochromatic

#2D4054 #425F7C #577DA4 #7E9CBA #A6BAD0

Accessibility & contrast

On white

4.31

#577DA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#577DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DA4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DA4	#FFFFFF	#000000	##000000
##577DA4	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA6

Deuteranopia (green-blind)

#6476A3

Tritanopia (blue-blind)

#37868A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577da4;
/* rgb */ color: rgb(87, 125, 164);
/* oklch */ color: oklch(57.7% 0.074 249.8);

Tailwind

colors: {
  custom: {
    50: '#8aa2bf',
    500: '#577da4',
    950: '#000000',
  },
}

SCSS

$custom: #577da4;
$custom-light: #8aa2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#577da4",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 164
  },
  "hsl": {
    "h": 210.39,
    "s": 30.677,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57734,
    "c": 0.07412,
    "h": 249.8
  },
  "luminance": 0.19374
}

Semantic roles & 50–950 ramp

primary

#577DA4

secondary

#BDAC99

accent

#9561C7

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577DA4

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

Preview Lab → · Contrast checker → · Palette generator →