#4B4E63#4B4E63

#4B4E63 is a dark, muted blue. Relative luminance 0.078; OKLCH L 43.0% C 0.035 H 278.5°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#4B4E63
RGB	rgb(75, 78, 99)
HSL	hsl(233, 14%, 34%)
HSV	hsv(233, 24%, 39%)
CMYK	cmyk(24.2%, 21.2%, 0%, 61.2%)
CIE-LAB	lab(33.66, 3.95, -12.61)
CIE-LCH	lch(33.66, 13.22, 287.40°)
OKLab	oklab(42.95% 0.0051 -0.0345)
OKLCH	oklch(42.95% 0.035 278.5)
XYZ	xyz(7.8776, 7.8453, 12.9012)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B4E63 #63604B

analogous

#4B5A63 #4B4E63 #544B63

triadic

#4B4E63 #634B4E #4E634B

tetradic

#4B4E63 #634B5A #63604B #4B6354

square

#4B4E63 #634B5A #63604B #4B6354

split-complementary

#4B4E63 #63544B #5A634B

monochromatic

#16171D #313340 #4B4E63 #656986 #8589A3

Accessibility & contrast

On white

8.17

#4B4E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4B4E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B4E63

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4E63	#FFFFFF	#000000	##FFFFFF
##4B4E63	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485064

Deuteranopia (green-blind)

#474E62

Tritanopia (blue-blind)

#455255

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b4e63;
/* rgb */ color: rgb(75, 78, 99);
/* oklch */ color: oklch(43.0% 0.035 278.5);

Tailwind

colors: {
  custom: {
    50: '#7d7f8f',
    500: '#4b4e63',
    950: '#000000',
  },
}

SCSS

$custom: #4b4e63;
$custom-light: #7d7f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4e63",
  "rgb": {
    "r": 75,
    "g": 78,
    "b": 99
  },
  "hsl": {
    "h": 232.5,
    "s": 13.793,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42953,
    "c": 0.03492,
    "h": 278.5
  },
  "luminance": 0.07845
}

Semantic roles & 50–950 ramp

primary

#4B4E63

secondary

#918E79

accent

#AE71B7

background

#F7F7F8

surface

#EEEEF0

border

#C9C9CB

text

#090A0C

muted

#7B7C7D

Preview Lab

Preview with #4B4E63

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

Preview Lab → · Contrast checker → · Palette generator →