#4B4591#4B4591

#4B4591 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.121 H 283.7°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#4B4591
RGB	rgb(75, 69, 145)
HSL	hsl(245, 36%, 42%)
HSV	hsv(245, 52%, 57%)
CMYK	cmyk(48.3%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(33.55, 23.54, -41.37)
CIE-LCH	lch(33.55, 47.60, 299.64°)
OKLab	oklab(43.66% 0.0288 -0.1177)
OKLCH	oklch(43.66% 0.121 283.7)
XYZ	xyz(10.1391, 7.7960, 27.7531)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B4591 #8B9145

analogous

#456591 #4B4591 #714591

triadic

#4B4591 #914B45 #45914B

tetradic

#4B4591 #914565 #8B9145 #459171

square

#4B4591 #914565 #8B9145 #459171

split-complementary

#4B4591 #917145 #659145

monochromatic

#201E3E #363168 #4B4591 #6660B3 #8E89C7

Accessibility & contrast

On white

8.21

#4B4591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#4B4591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B4591

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4591	#FFFFFF	#000000	##FFFFFF
##4B4591	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215194

Deuteranopia (green-blind)

#1D4C8F

Tritanopia (blue-blind)

#335564

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b4591;
/* rgb */ color: rgb(75, 69, 145);
/* oklch */ color: oklch(43.7% 0.121 283.7);

Tailwind

colors: {
  custom: {
    50: '#8278b2',
    500: '#4b4591',
    950: '#000000',
  },
}

SCSS

$custom: #4b4591;
$custom-light: #8278b2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4591",
  "rgb": {
    "r": 75,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 244.737,
    "s": 35.514,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43663,
    "c": 0.12122,
    "h": 283.7
  },
  "luminance": 0.07796
}

Semantic roles & 50–950 ramp

primary

#4B4591

secondary

#AEB280

accent

#CC5CC3

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0911

muted

#7C7B80

Preview Lab

Preview with #4B4591

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

Preview Lab → · Contrast checker → · Palette generator →