#4B577D#4B577D

#4B577D is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.3% C 0.064 H 270.3°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#4B577D
RGB	rgb(75, 87, 125)
HSL	hsl(226, 25%, 39%)
HSV	hsv(226, 40%, 49%)
CMYK	cmyk(40%, 30.4%, 0%, 51%)
CIE-LAB	lab(37.47, 5.66, -22.93)
CIE-LCH	lch(37.47, 23.62, 283.87°)
OKLab	oklab(46.29% 0.0004 -0.0639)
OKLCH	oklch(46.29% 0.064 270.3)
XYZ	xyz(10.0104, 9.7925, 20.7607)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B577D #7D714B

analogous

#4B707D #4B577D #584B7D

triadic

#4B577D #7D4B57 #577D4B

tetradic

#4B577D #7D4B70 #7D714B #4B7D58

square

#4B577D #7D4B70 #7D714B #4B7D58

split-complementary

#4B577D #7D584B #707D4B

monochromatic

#1D2231 #343C57 #4B577D #6472A2 #8A95B9

Accessibility & contrast

On white

7.10

#4B577D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#4B577D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B577D

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B577D	#FFFFFF	#000000	##FFFFFF
##4B577D	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5A7F

Deuteranopia (green-blind)

#46567C

Tritanopia (blue-blind)

#3B5F64

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b577d;
/* rgb */ color: rgb(75, 87, 125);
/* oklch */ color: oklch(46.3% 0.064 270.3);

Tailwind

colors: {
  custom: {
    50: '#7f86a2',
    500: '#4b577d',
    950: '#000000',
  },
}

SCSS

$custom: #4b577d;
$custom-light: #7f86a2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b577d",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 125
  },
  "hsl": {
    "h": 225.6,
    "s": 25,
    "l": 39.216
  },
  "oklch": {
    "l": 0.4629,
    "c": 0.06393,
    "h": 270.3
  },
  "luminance": 0.09793
}

Semantic roles & 50–950 ramp

primary

#4B577D

secondary

#A59C7F

accent

#AC66C1

background

#F7F8FA

surface

#EEEFF3

border

#C9CACD

text

#0A0B0F

muted

#7C7C7F

Preview Lab

Preview with #4B577D

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

Preview Lab → · Contrast checker → · Palette generator →