#4B539B#4B539B

#4B539B is a mid, moderate blue. Relative luminance 0.100; OKLCH L 47.2% C 0.116 H 276.2°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#4B539B
RGB	rgb(75, 83, 155)
HSL	hsl(234, 35%, 45%)
HSV	hsv(234, 52%, 61%)
CMYK	cmyk(51.6%, 46.5%, 0%, 39.2%)
CIE-LAB	lab(37.93, 17.75, -40.43)
CIE-LCH	lch(37.93, 44.15, 293.70°)
OKLab	oklab(47.17% 0.0126 -0.1149)
OKLCH	oklch(47.17% 0.116 276.2)
XYZ	xyz(11.9094, 10.0482, 32.3159)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B539B #9B934B

analogous

#4B7B9B #4B539B #6B4B9B

triadic

#4B539B #9B4B53 #539B4B

tetradic

#4B539B #9B4B7B #9B934B #4B9B6B

square

#4B539B #9B4B7B #9B934B #4B9B6B

split-complementary

#4B539B #9B6B4B #7B9B4B

monochromatic

#232749 #373D72 #4B539B #6C73B8 #959ACC

Accessibility & contrast

On white

6.98

#4B539B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4B539B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B539B

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B539B	#FFFFFF	#000000	##FFFFFF
##4B539B	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345D9E

Deuteranopia (green-blind)

#2C5699

Tritanopia (blue-blind)

#2A626F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4b539b;
/* rgb */ color: rgb(75, 83, 155);
/* oklch */ color: oklch(47.2% 0.116 276.2);

Tailwind

colors: {
  custom: {
    50: '#8383b9',
    500: '#4b539b',
    950: '#000000',
  },
}

SCSS

$custom: #4b539b;
$custom-light: #8383b9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b539b",
  "rgb": {
    "r": 75,
    "g": 83,
    "b": 155
  },
  "hsl": {
    "h": 234,
    "s": 34.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.47167,
    "c": 0.11557,
    "h": 276.2
  },
  "luminance": 0.10049
}

Semantic roles & 50–950 ramp

primary

#4B539B

secondary

#B8B38A

accent

#C05DCB

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0B0A11

muted

#7C7C80

Preview Lab

Preview with #4B539B

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

Preview Lab → · Contrast checker → · Palette generator →