#577798#577798

#577798 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.063 H 249.8°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#577798
RGB	rgb(87, 119, 152)
HSL	hsl(210, 27%, 47%)
HSV	hsv(210, 43%, 60%)
CMYK	cmyk(42.8%, 21.7%, 0%, 40.4%)
CIE-LAB	lab(48.87, -2.41, -21.44)
CIE-LCH	lch(48.87, 21.57, 263.57°)
OKLab	oklab(55.8% -0.0219 -0.0595)
OKLCH	oklch(55.8% 0.063 249.8)
XYZ	xyz(16.1929, 17.4859, 32.2215)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577798 #987857

analogous

#579898 #577798 #585798

triadic

#577798 #985777 #779857

tetradic

#577798 #985798 #987857 #579858

square

#577798 #985798 #987857 #579858

split-complementary

#577798 #985857 #989857

monochromatic

#2A3A4A #415971 #577798 #7A96B3 #A0B4C9

Accessibility & contrast

On white

4.67

#577798 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#577798 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577798

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577798	#FFFFFF	#000000	##FFFFFF
##577798	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A789A

Deuteranopia (green-blind)

#627197

Tritanopia (blue-blind)

#3F7F82

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577798;
/* rgb */ color: rgb(87, 119, 152);
/* oklch */ color: oklch(55.8% 0.063 249.8);

Tailwind

colors: {
  custom: {
    50: '#899eb6',
    500: '#577798',
    950: '#000000',
  },
}

SCSS

$custom: #577798;
$custom-light: #899eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#577798",
  "rgb": {
    "r": 87,
    "g": 119,
    "b": 152
  },
  "hsl": {
    "h": 210.462,
    "s": 27.197,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55798,
    "c": 0.0634,
    "h": 249.8
  },
  "luminance": 0.17487
}

Semantic roles & 50–950 ramp

primary

#577798

secondary

#B6A694

accent

#9564C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577798

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

Preview Lab → · Contrast checker → · Palette generator →