#577E9E#577E9E

#577E9E is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.066 H 244.0°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#577E9E
RGB	rgb(87, 126, 158)
HSL	hsl(207, 29%, 48%)
HSV	hsv(207, 45%, 62%)
CMYK	cmyk(44.9%, 20.3%, 0%, 38%)
CIE-LAB	lab(51.17, -4.75, -21.41)
CIE-LCH	lch(51.17, 21.93, 257.50°)
OKLab	oklab(57.69% -0.0289 -0.0594)
OKLCH	oklch(57.69% 0.066 244)
XYZ	xyz(17.5608, 19.4154, 35.1633)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E9E #9E7757

analogous

#579E9A #577E9E #575A9E

triadic

#577E9E #9E577E #7E9E57

tetradic

#577E9E #9A579E #9E7757 #5A9E57

square

#577E9E #9A579E #9E7757 #5A9E57

split-complementary

#577E9E #9E575A #9E9A57

monochromatic

#2C3F4F #415F77 #577E9E #7C9CB7 #A3BACC

Accessibility & contrast

On white

4.30

#577E9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#577E9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E9E

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E9E	#FFFFFF	#000000	##000000
##577E9E	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717EA0

Deuteranopia (green-blind)

#67779D

Tritanopia (blue-blind)

#3A8689

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577e9e;
/* rgb */ color: rgb(87, 126, 158);
/* oklch */ color: oklch(57.7% 0.066 244.0);

Tailwind

colors: {
  custom: {
    50: '#8aa3ba',
    500: '#577e9e',
    950: '#000000',
  },
}

SCSS

$custom: #577e9e;
$custom-light: #8aa3ba;
$custom-dark: #000000;

JSON

{
  "hex": "#577e9e",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 158
  },
  "hsl": {
    "h": 207.042,
    "s": 28.98,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57692,
    "c": 0.06607,
    "h": 244
  },
  "luminance": 0.19417
}

Semantic roles & 50–950 ramp

primary

#577E9E

secondary

#BAA797

accent

#8F63C5

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #577E9E

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

Preview Lab → · Contrast checker → · Palette generator →