#577A8E#577A8E

#577A8E is a mid, muted cyan. Relative luminance 0.179; OKLCH L 56.1% C 0.050 H 233.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#577A8E
RGB	rgb(87, 122, 142)
HSL	hsl(202, 24%, 45%)
HSV	hsv(202, 39%, 56%)
CMYK	cmyk(38.7%, 14.1%, 0%, 44.3%)
CIE-LAB	lab(49.37, -7.02, -14.79)
CIE-LCH	lch(49.37, 16.37, 244.61°)
OKLab	oklab(56.07% -0.0297 -0.0407)
OKLCH	oklch(56.07% 0.05 233.9)
XYZ	xyz(15.7709, 17.8974, 28.2095)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A8E #8E6B57

analogous

#578E86 #577A8E #575F8E

triadic

#577A8E #8E577A #7A8E57

tetradic

#577A8E #86578E #8E6B57 #5F8E57

square

#577A8E #86578E #8E6B57 #5F8E57

split-complementary

#577A8E #8E575F #8E8657

monochromatic

#283942 #405968 #577A8E #7798AB #9DB5C3

Accessibility & contrast

On white

4.59

#577A8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#577A8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577A8E

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A8E	#FFFFFF	#000000	##FFFFFF
##577A8E	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71798F

Deuteranopia (green-blind)

#69738E

Tritanopia (blue-blind)

#437F80

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577a8e;
/* rgb */ color: rgb(87, 122, 142);
/* oklch */ color: oklch(56.1% 0.050 233.9);

Tailwind

colors: {
  custom: {
    50: '#88a0af',
    500: '#577a8e',
    950: '#000000',
  },
}

SCSS

$custom: #577a8e;
$custom-light: #88a0af;
$custom-dark: #000000;

JSON

{
  "hex": "#577a8e",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 142
  },
  "hsl": {
    "h": 201.818,
    "s": 24.017,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56068,
    "c": 0.05038,
    "h": 233.9
  },
  "luminance": 0.17898
}

Semantic roles & 50–950 ramp

primary

#577A8E

secondary

#B09C90

accent

#8867C0

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0E10

muted

#7D7E7F

Preview Lab

Preview with #577A8E

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

Preview Lab → · Contrast checker → · Palette generator →