#577E9C#577E9C

#577E9C is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.064 H 242.3°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#577E9C
RGB	rgb(87, 126, 156)
HSL	hsl(206, 28%, 48%)
HSV	hsv(206, 44%, 61%)
CMYK	cmyk(44.2%, 19.2%, 0%, 38.8%)
CIE-LAB	lab(51.09, -5.33, -20.36)
CIE-LCH	lch(51.09, 21.05, 255.32°)
OKLab	oklab(57.6% -0.0296 -0.0564)
OKLCH	oklch(57.6% 0.064 242.3)
XYZ	xyz(17.3900, 19.3471, 34.2641)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E9C #9C7557

analogous

#579C97 #577E9C #575B9C

triadic

#577E9C #9C577E #7E9C57

tetradic

#577E9C #97579C #9C7557 #5B9C57

square

#577E9C #97579C #9C7557 #5B9C57

split-complementary

#577E9C #9C575B #9C9757

monochromatic

#2B3F4D #415E75 #577E9C #7B9CB5 #A2B9CB

Accessibility & contrast

On white

4.31

#577E9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#577E9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E9C

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E9C	#FFFFFF	#000000	##000000
##577E9C	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)

#717E9D

Deuteranopia (green-blind)

#68769B

Tritanopia (blue-blind)

#3B8588

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577e9c;
/* rgb */ color: rgb(87, 126, 156);
/* oklch */ color: oklch(57.6% 0.064 242.3);

Tailwind

colors: {
  custom: {
    50: '#8aa3b9',
    500: '#577e9c',
    950: '#000000',
  },
}

SCSS

$custom: #577e9c;
$custom-light: #8aa3b9;
$custom-dark: #000000;

JSON

{
  "hex": "#577e9c",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 156
  },
  "hsl": {
    "h": 206.087,
    "s": 28.395,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57603,
    "c": 0.06375,
    "h": 242.3
  },
  "luminance": 0.19348
}

Semantic roles & 50–950 ramp

primary

#577E9C

secondary

#B9A596

accent

#8E63C5

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #577E9C

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

Preview Lab → · Contrast checker → · Palette generator →