#577E98#577E98

#577E98 is a mid, muted cyan. Relative luminance 0.192; OKLCH L 57.4% C 0.059 H 238.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#577E98
RGB	rgb(87, 126, 152)
HSL	hsl(204, 27%, 47%)
HSV	hsv(204, 43%, 60%)
CMYK	cmyk(42.8%, 17.1%, 0%, 40.4%)
CIE-LAB	lab(50.94, -6.49, -18.27)
CIE-LCH	lch(50.94, 19.39, 250.43°)
OKLab	oklab(57.43% -0.0311 -0.0505)
OKLCH	oklch(57.43% 0.059 238.3)
XYZ	xyz(17.0569, 19.2139, 32.5095)
Luminance	0.1921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E98 #987157

analogous

#579892 #577E98 #575E98

triadic

#577E98 #98577E #7E9857

tetradic

#577E98 #925798 #987157 #5E9857

square

#577E98 #925798 #987157 #5E9857

split-complementary

#577E98 #98575E #989257

monochromatic

#2A3D4A #415E71 #577E98 #7A9CB3 #A0B9C9

Accessibility & contrast

On white

4.34

#577E98 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#577E98 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E98

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E98	#FFFFFF	#000000	##000000
##577E98	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727D99

Deuteranopia (green-blind)

#6A7698

Tritanopia (blue-blind)

#3E8586

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577e98;
/* rgb */ color: rgb(87, 126, 152);
/* oklch */ color: oklch(57.4% 0.059 238.3);

Tailwind

colors: {
  custom: {
    50: '#89a3b6',
    500: '#577e98',
    950: '#000000',
  },
}

SCSS

$custom: #577e98;
$custom-light: #89a3b6;
$custom-dark: #000000;

JSON

{
  "hex": "#577e98",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 152
  },
  "hsl": {
    "h": 204,
    "s": 27.197,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5743,
    "c": 0.05933,
    "h": 238.3
  },
  "luminance": 0.19215
}

Semantic roles & 50–950 ramp

primary

#577E98

secondary

#B6A294

accent

#8A64C4

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #577E98

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

Preview Lab → · Contrast checker → · Palette generator →