#577F98#577F98

#577F98 is a mid, muted cyan. Relative luminance 0.195; OKLCH L 57.7% C 0.059 H 236.6°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#577F98
RGB	rgb(87, 127, 152)
HSL	hsl(203, 27%, 47%)
HSV	hsv(203, 43%, 60%)
CMYK	cmyk(42.8%, 16.4%, 0%, 40.4%)
CIE-LAB	lab(51.23, -7.07, -17.81)
CIE-LCH	lch(51.23, 19.16, 248.36°)
OKLab	oklab(57.67% -0.0324 -0.0492)
OKLCH	oklch(57.67% 0.059 236.6)
XYZ	xyz(17.1854, 19.4709, 32.5524)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F98 #987057

analogous

#579891 #577F98 #575F98

triadic

#577F98 #98577F #7F9857

tetradic

#577F98 #915798 #987057 #5F9857

square

#577F98 #915798 #987057 #5F9857

split-complementary

#577F98 #98575F #989157

monochromatic

#2A3E4A #415E71 #577F98 #7A9DB3 #A0B9C9

Accessibility & contrast

On white

4.29

#577F98 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#577F98 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F98

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F98	#FFFFFF	#000000	##000000
##577F98	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747E99

Deuteranopia (green-blind)

#6B7798

Tritanopia (blue-blind)

#3D8587

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577f98;
/* rgb */ color: rgb(87, 127, 152);
/* oklch */ color: oklch(57.7% 0.059 236.6);

Tailwind

colors: {
  custom: {
    50: '#89a4b6',
    500: '#577f98',
    950: '#000000',
  },
}

SCSS

$custom: #577f98;
$custom-light: #89a4b6;
$custom-dark: #000000;

JSON

{
  "hex": "#577f98",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 152
  },
  "hsl": {
    "h": 203.077,
    "s": 27.197,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57665,
    "c": 0.05896,
    "h": 236.6
  },
  "luminance": 0.19472
}

Semantic roles & 50–950 ramp

primary

#577F98

secondary

#B6A194

accent

#8964C4

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #577F98

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

Preview Lab → · Contrast checker → · Palette generator →