#4D439B#4D439B

#4D439B is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.2% C 0.138 H 284.4°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#4D439B
RGB	rgb(77, 67, 155)
HSL	hsl(247, 40%, 44%)
HSV	hsv(247, 57%, 61%)
CMYK	cmyk(50.3%, 56.8%, 0%, 39.2%)
CIE-LAB	lab(33.90, 28.47, -46.89)
CIE-LCH	lch(33.90, 54.86, 301.26°)
OKLab	oklab(44.18% 0.0343 -0.1339)
OKLCH	oklch(44.18% 0.138 284.4)
XYZ	xyz(10.9824, 7.9581, 31.9614)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D439B #919B43

analogous

#43659B #4D439B #79439B

triadic

#4D439B #9B4D43 #439B4D

tetradic

#4D439B #9B4365 #919B43 #439B79

square

#4D439B #9B4365 #919B43 #439B79

split-complementary

#4D439B #9B7943 #659B43

monochromatic

#231E46 #383170 #4D439B #6B61BB #938BCD

Accessibility & contrast

On white

8.10

#4D439B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4D439B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D439B

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D439B	#FFFFFF	#000000	##FFFFFF
##4D439B	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B529E

Deuteranopia (green-blind)

#034D99

Tritanopia (blue-blind)

#315768

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4d439b;
/* rgb */ color: rgb(77, 67, 155);
/* oklch */ color: oklch(44.2% 0.138 284.4);

Tailwind

colors: {
  custom: {
    50: '#8577b9',
    500: '#4d439b',
    950: '#000000',
  },
}

SCSS

$custom: #4d439b;
$custom-light: #8577b9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d439b",
  "rgb": {
    "r": 77,
    "g": 67,
    "b": 155
  },
  "hsl": {
    "h": 246.818,
    "s": 39.64,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44177,
    "c": 0.13826,
    "h": 284.4
  },
  "luminance": 0.07959
}

Semantic roles & 50–950 ramp

primary

#4D439B

secondary

#B2B882

accent

#D058C2

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #4D439B

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

Preview Lab → · Contrast checker → · Palette generator →