#4B577B#4B577B

#4B577B is a mid, moderate blue. Relative luminance 0.097; OKLCH L 46.2% C 0.061 H 269.8°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#4B577B
RGB	rgb(75, 87, 123)
HSL	hsl(225, 24%, 39%)
HSV	hsv(225, 39%, 48%)
CMYK	cmyk(39%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(37.38, 5.06, -21.84)
CIE-LCH	lch(37.38, 22.42, 283.04°)
OKLab	oklab(46.19% -0.0003 -0.0608)
OKLCH	oklch(46.19% 0.061 269.8)
XYZ	xyz(9.8839, 9.7419, 20.0946)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B577B #7B6F4B

analogous

#4B6F7B #4B577B #574B7B

triadic

#4B577B #7B4B57 #577B4B

tetradic

#4B577B #7B4B6F #7B6F4B #4B7B57

square

#4B577B #7B4B6F #7B6F4B #4B7B57

split-complementary

#4B577B #7B574B #6F7B4B

monochromatic

#1D212F #343C55 #4B577B #6372A0 #8995B7

Accessibility & contrast

On white

7.12

#4B577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4B577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B577B

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B577B	#FFFFFF	#000000	##FFFFFF
##4B577B	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5A7D

Deuteranopia (green-blind)

#47567A

Tritanopia (blue-blind)

#3C5E64

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b577b;
/* rgb */ color: rgb(75, 87, 123);
/* oklch */ color: oklch(46.2% 0.061 269.8);

Tailwind

colors: {
  custom: {
    50: '#7f86a1',
    500: '#4b577b',
    950: '#000000',
  },
}

SCSS

$custom: #4b577b;
$custom-light: #7f86a1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b577b",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 225,
    "s": 24.242,
    "l": 38.824
  },
  "oklch": {
    "l": 0.46188,
    "c": 0.06081,
    "h": 269.8
  },
  "luminance": 0.09742
}

Semantic roles & 50–950 ramp

primary

#4B577B

secondary

#A49A7E

accent

#AA67C1

background

#F7F8F9

surface

#EEEFF2

border

#C9CACC

text

#0A0B0F

muted

#7C7C7E

Preview Lab

Preview with #4B577B

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

Preview Lab → · Contrast checker → · Palette generator →