#4D577C#4D577C

#4D577C is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.4% C 0.062 H 272.2°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#4D577C
RGB	rgb(77, 87, 124)
HSL	hsl(227, 23%, 39%)
HSV	hsv(227, 38%, 49%)
CMYK	cmyk(37.9%, 29.8%, 0%, 51.4%)
CIE-LAB	lab(37.57, 5.97, -22.14)
CIE-LCH	lch(37.57, 22.93, 285.08°)
OKLab	oklab(46.39% 0.0024 -0.0616)
OKLCH	oklch(46.39% 0.062 272.2)
XYZ	xyz(10.1058, 9.8490, 20.4334)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D577C #7C724D

analogous

#4D6F7C #4D577C #5B4D7C

triadic

#4D577C #7C4D57 #577C4D

tetradic

#4D577C #7C4D6F #7C724D #4D7C5B

square

#4D577C #7C4D6F #7C724D #4D7C5B

split-complementary

#4D577C #7C5B4D #6F7C4D

monochromatic

#1E2230 #363D56 #4D577C #6672A0 #8C95B8

Accessibility & contrast

On white

7.07

#4D577C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4D577C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D577C

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D577C	#FFFFFF	#000000	##FFFFFF
##4D577C	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5B7E

Deuteranopia (green-blind)

#47577B

Tritanopia (blue-blind)

#3F5E64

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4d577c;
/* rgb */ color: rgb(77, 87, 124);
/* oklch */ color: oklch(46.4% 0.062 272.2);

Tailwind

colors: {
  custom: {
    50: '#8086a2',
    500: '#4d577c',
    950: '#000000',
  },
}

SCSS

$custom: #4d577c;
$custom-light: #8086a2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d577c",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 124
  },
  "hsl": {
    "h": 227.234,
    "s": 23.383,
    "l": 39.412
  },
  "oklch": {
    "l": 0.46393,
    "c": 0.06168,
    "h": 272.2
  },
  "luminance": 0.09849
}

Semantic roles & 50–950 ramp

primary

#4D577C

secondary

#A49D81

accent

#AD68C0

background

#F7F8F9

surface

#EEEFF2

border

#C9CACC

text

#0A0B0F

muted

#7C7C7E

Preview Lab

Preview with #4D577C

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

Preview Lab → · Contrast checker → · Palette generator →