#4C577F#4C577F

#4C577F is a mid, moderate blue. Relative luminance 0.099; OKLCH L 46.5% C 0.067 H 271.8°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#4C577F
RGB	rgb(76, 87, 127)
HSL	hsl(227, 25%, 40%)
HSV	hsv(227, 40%, 50%)
CMYK	cmyk(40.2%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(37.63, 6.56, -23.89)
CIE-LCH	lch(37.63, 24.77, 285.36°)
OKLab	oklab(46.47% 0.0021 -0.0667)
OKLCH	oklch(46.47% 0.067 271.8)
XYZ	xyz(10.2183, 9.8847, 21.4441)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C577F #7F744C

analogous

#4C717F #4C577F #5B4C7F

triadic

#4C577F #7F4C57 #577F4C

tetradic

#4C577F #7F4C71 #7F744C #4C7F5B

square

#4C577F #7F4C71 #7F744C #4C7F5B

split-complementary

#4C577F #7F5B4C #717F4C

monochromatic

#1E2332 #353D59 #4C577F #6573A3 #8C96BA

Accessibility & contrast

On white

7.05

#4C577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4C577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C577F

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C577F	#FFFFFF	#000000	##FFFFFF
##4C577F	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5B81

Deuteranopia (green-blind)

#45577E

Tritanopia (blue-blind)

#3C5F65

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4c577f;
/* rgb */ color: rgb(76, 87, 127);
/* oklch */ color: oklch(46.5% 0.067 271.8);

Tailwind

colors: {
  custom: {
    50: '#8086a4',
    500: '#4c577f',
    950: '#000000',
  },
}

SCSS

$custom: #4c577f;
$custom-light: #8086a4;
$custom-dark: #000000;

JSON

{
  "hex": "#4c577f",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 227.059,
    "s": 25.123,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4647,
    "c": 0.0667,
    "h": 271.8
  },
  "luminance": 0.09885
}

Semantic roles & 50–950 ramp

primary

#4C577F

secondary

#A69E80

accent

#AE66C2

background

#F7F8FA

surface

#EEEFF4

border

#C9CACE

text

#0A0B0F

muted

#7C7C7F

Preview Lab

Preview with #4C577F

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

Preview Lab → · Contrast checker → · Palette generator →