#4B4D64#4B4D64

#4B4D64 is a dark, muted blue. Relative luminance 0.077; OKLCH L 42.8% C 0.038 H 280.8°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#4B4D64
RGB	rgb(75, 77, 100)
HSL	hsl(235, 14%, 34%)
HSV	hsv(235, 25%, 39%)
CMYK	cmyk(25%, 23%, 0%, 60.8%)
CIE-LAB	lab(33.40, 4.86, -13.64)
CIE-LCH	lch(33.40, 14.48, 289.61°)
OKLab	oklab(42.77% 0.0071 -0.0374)
OKLCH	oklch(42.77% 0.038 280.8)
XYZ	xyz(7.8552, 7.7235, 13.1311)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B4D64 #64624B

analogous

#4B5A64 #4B4D64 #564B64

triadic

#4B4D64 #644B4D #4D644B

tetradic

#4B4D64 #644B5A #64624B #4B6456

square

#4B4D64 #644B5A #64624B #4B6456

split-complementary

#4B4D64 #64564B #5A644B

monochromatic

#17171E #313241 #4B4D64 #656887 #8688A4

Accessibility & contrast

On white

8.25

#4B4D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4B4D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B4D64

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4D64	#FFFFFF	#000000	##FFFFFF
##4B4D64	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474F65

Deuteranopia (green-blind)

#464E63

Tritanopia (blue-blind)

#455155

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b4d64;
/* rgb */ color: rgb(75, 77, 100);
/* oklch */ color: oklch(42.8% 0.038 280.8);

Tailwind

colors: {
  custom: {
    50: '#7d7e90',
    500: '#4b4d64',
    950: '#000000',
  },
}

SCSS

$custom: #4b4d64;
$custom-light: #7d7e90;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4d64",
  "rgb": {
    "r": 75,
    "g": 77,
    "b": 100
  },
  "hsl": {
    "h": 235.2,
    "s": 14.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.42765,
    "c": 0.03809,
    "h": 280.8
  },
  "luminance": 0.07724
}

Semantic roles & 50–950 ramp

primary

#4B4D64

secondary

#929079

accent

#B171B7

background

#F7F7F8

surface

#EEEEF0

border

#C9C9CB

text

#0A0A0C

muted

#7C7C7D

Preview Lab

Preview with #4B4D64

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

Preview Lab → · Contrast checker → · Palette generator →