#577D9E#577D9E

#577D9E is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.5% C 0.067 H 245.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#577D9E
RGB	rgb(87, 125, 158)
HSL	hsl(208, 29%, 48%)
HSV	hsv(208, 45%, 62%)
CMYK	cmyk(44.9%, 20.9%, 0%, 38%)
CIE-LAB	lab(50.87, -4.17, -21.86)
CIE-LCH	lch(50.87, 22.25, 259.21°)
OKLab	oklab(57.46% -0.0276 -0.0607)
OKLCH	oklch(57.46% 0.067 245.5)
XYZ	xyz(17.4336, 19.1609, 35.1209)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D9E #9E7857

analogous

#579E9B #577D9E #57599E

triadic

#577D9E #9E577D #7D9E57

tetradic

#577D9E #9B579E #9E7857 #599E57

square

#577D9E #9B579E #9E7857 #599E57

split-complementary

#577D9E #9E5759 #9E9B57

monochromatic

#2C3F4F #415E77 #577D9E #7C9BB7 #A3B9CC

Accessibility & contrast

On white

4.35

#577D9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#577D9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D9E

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D9E	#FFFFFF	#000000	##000000
##577D9E	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7DA0

Deuteranopia (green-blind)

#66769D

Tritanopia (blue-blind)

#3A8588

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577d9e;
/* rgb */ color: rgb(87, 125, 158);
/* oklch */ color: oklch(57.5% 0.067 245.5);

Tailwind

colors: {
  custom: {
    50: '#8aa2ba',
    500: '#577d9e',
    950: '#000000',
  },
}

SCSS

$custom: #577d9e;
$custom-light: #8aa2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#577d9e",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 158
  },
  "hsl": {
    "h": 207.887,
    "s": 28.98,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57459,
    "c": 0.06668,
    "h": 245.5
  },
  "luminance": 0.19162
}

Semantic roles & 50–950 ramp

primary

#577D9E

secondary

#BAA797

accent

#9063C5

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F11

muted

#7D7E80

Preview Lab

Preview with #577D9E

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

Preview Lab → · Contrast checker → · Palette generator →