#4C577B#4C577B

#4C577B is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.3% C 0.060 H 270.8°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#4C577B
RGB	rgb(76, 87, 123)
HSL	hsl(226, 24%, 39%)
HSV	hsv(226, 38%, 48%)
CMYK	cmyk(38.2%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(37.45, 5.37, -21.72)
CIE-LCH	lch(37.45, 22.37, 283.87°)
OKLab	oklab(46.27% 0.0009 -0.0604)
OKLCH	oklch(46.27% 0.06 270.8)
XYZ	xyz(9.9628, 9.7825, 20.0983)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C577B #7B704C

analogous

#4C6F7B #4C577B #594C7B

triadic

#4C577B #7B4C57 #577B4C

tetradic

#4C577B #7B4C6F #7B704C #4C7B59

square

#4C577B #7B4C6F #7B704C #4C7B59

split-complementary

#4C577B #7B594C #6F7B4C

monochromatic

#1D212F #353C55 #4C577B #6572A0 #8A95B7

Accessibility & contrast

On white

7.10

#4C577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#4C577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C577B

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C577B	#FFFFFF	#000000	##FFFFFF
##4C577B	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)

#4B5A7D

Deuteranopia (green-blind)

#47567A

Tritanopia (blue-blind)

#3E5E64

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4c577b;
/* rgb */ color: rgb(76, 87, 123);
/* oklch */ color: oklch(46.3% 0.060 270.8);

Tailwind

colors: {
  custom: {
    50: '#8086a1',
    500: '#4c577b',
    950: '#000000',
  },
}

SCSS

$custom: #4c577b;
$custom-light: #8086a1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c577b",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 225.957,
    "s": 23.618,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46265,
    "c": 0.06045,
    "h": 270.8
  },
  "luminance": 0.09783
}

Semantic roles & 50–950 ramp

primary

#4C577B

secondary

#A49B7F

accent

#AB68C0

background

#F7F8F9

surface

#EEEFF2

border

#C9CACC

text

#0A0B0F

muted

#7C7C7E

Preview Lab

Preview with #4C577B

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

Preview Lab → · Contrast checker → · Palette generator →