#4B577C#4B577C

#4B577C is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.2% C 0.062 H 270.1°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#4B577C
RGB	rgb(75, 87, 124)
HSL	hsl(225, 25%, 39%)
HSV	hsv(225, 40%, 49%)
CMYK	cmyk(39.5%, 29.8%, 0%, 51.4%)
CIE-LAB	lab(37.42, 5.36, -22.39)
CIE-LCH	lch(37.42, 23.02, 283.47°)
OKLab	oklab(46.24% 0.0001 -0.0624)
OKLCH	oklch(46.24% 0.062 270.1)
XYZ	xyz(9.9468, 9.7670, 20.4260)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B577C #7C704B

analogous

#4B707C #4B577C #584B7C

triadic

#4B577C #7C4B57 #577C4B

tetradic

#4B577C #7C4B70 #7C704B #4B7C58

square

#4B577C #7C4B70 #7C704B #4B7C58

split-complementary

#4B577C #7C584B #707C4B

monochromatic

#1D2130 #343C56 #4B577C #6372A1 #8995B8

Accessibility & contrast

On white

7.11

#4B577C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4B577C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B577C

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B577C	#FFFFFF	#000000	##FFFFFF
##4B577C	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5A7E

Deuteranopia (green-blind)

#46567B

Tritanopia (blue-blind)

#3C5E64

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b577c;
/* rgb */ color: rgb(75, 87, 124);
/* oklch */ color: oklch(46.2% 0.062 270.1);

Tailwind

colors: {
  custom: {
    50: '#7f86a2',
    500: '#4b577c',
    950: '#000000',
  },
}

SCSS

$custom: #4b577c;
$custom-light: #7f86a2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b577c",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 124
  },
  "hsl": {
    "h": 225.306,
    "s": 24.623,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46239,
    "c": 0.06237,
    "h": 270.1
  },
  "luminance": 0.09767
}

Semantic roles & 50–950 ramp

primary

#4B577C

secondary

#A49B7F

accent

#AB67C1

background

#F7F8F9

surface

#EEEFF2

border

#C9CACC

text

#0A0B0F

muted

#7C7C7E

Preview Lab

Preview with #4B577C

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

Preview Lab → · Contrast checker → · Palette generator →