#4D556B#4D556B

#4D556B is a mid, muted blue. Relative luminance 0.091; OKLCH L 45.1% C 0.038 H 269.3°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#4D556B
RGB	rgb(77, 85, 107)
HSL	hsl(224, 16%, 36%)
HSV	hsv(224, 28%, 42%)
CMYK	cmyk(28%, 20.6%, 0%, 58%)
CIE-LAB	lab(36.24, 2.38, -13.67)
CIE-LCH	lch(36.24, 13.88, 279.89°)
OKLab	oklab(45.12% -0.0005 -0.0375)
OKLCH	oklch(45.12% 0.038 269.3)
XYZ	xyz(8.9622, 9.1361, 15.1983)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D556B #6B634D

analogous

#4D646B #4D556B #544D6B

triadic

#4D556B #6B4D55 #556B4D

tetradic

#4D556B #6B4D64 #6B634D #4D6B54

square

#4D556B #6B4D64 #6B634D #4D6B54

split-complementary

#4D556B #6B544D #646B4D

monochromatic

#1A1C24 #333947 #4D556B #67718F #8991AA

Accessibility & contrast

On white

7.43

#4D556B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#4D556B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D556B

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D556B	#FFFFFF	#000000	##FFFFFF
##4D556B	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E576C

Deuteranopia (green-blind)

#4C546A

Tritanopia (blue-blind)

#45595C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4d556b;
/* rgb */ color: rgb(77, 85, 107);
/* oklch */ color: oklch(45.1% 0.038 269.3);

Tailwind

colors: {
  custom: {
    50: '#7f8495',
    500: '#4d556b',
    950: '#000000',
  },
}

SCSS

$custom: #4d556b;
$custom-light: #7f8495;
$custom-dark: #000000;

JSON

{
  "hex": "#4d556b",
  "rgb": {
    "r": 77,
    "g": 85,
    "b": 107
  },
  "hsl": {
    "h": 224,
    "s": 16.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45119,
    "c": 0.03752,
    "h": 269.3
  },
  "luminance": 0.09136
}

Semantic roles & 50–950 ramp

primary

#4D556B

secondary

#97907D

accent

#A56FB9

background

#F7F8F9

surface

#EEEFF1

border

#C9CACB

text

#0A0B0D

muted

#7C7C7E

Preview Lab

Preview with #4D556B

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

Preview Lab → · Contrast checker → · Palette generator →