#4D429B#4D429B

#4D429B is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.140 H 284.7°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#4D429B
RGB	rgb(77, 66, 155)
HSL	hsl(247, 40%, 43%)
HSV	hsv(247, 57%, 61%)
CMYK	cmyk(50.3%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(33.65, 29.10, -47.29)
CIE-LCH	lch(33.65, 55.53, 301.60°)
OKLab	oklab(43.99% 0.0355 -0.1351)
OKLCH	oklch(43.99% 0.14 284.7)
XYZ	xyz(10.9234, 7.8402, 31.9417)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D429B #909B42

analogous

#42639B #4D429B #79429B

triadic

#4D429B #9B4D42 #429B4D

tetradic

#4D429B #9B4263 #909B42 #429B79

square

#4D429B #9B4263 #909B42 #429B79

split-complementary

#4D429B #9B7942 #639B42

monochromatic

#221D45 #383070 #4D429B #6B5FBB #928ACD

Accessibility & contrast

On white

8.18

#4D429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4D429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D429B

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D429B	#FFFFFF	#000000	##FFFFFF
##4D429B	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05529E

Deuteranopia (green-blind)

#004C99

Tritanopia (blue-blind)

#315668

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4d429b;
/* rgb */ color: rgb(77, 66, 155);
/* oklch */ color: oklch(44.0% 0.140 284.7);

Tailwind

colors: {
  custom: {
    50: '#8576b9',
    500: '#4d429b',
    950: '#000000',
  },
}

SCSS

$custom: #4d429b;
$custom-light: #8576b9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d429b",
  "rgb": {
    "r": 77,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 247.416,
    "s": 40.271,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43993,
    "c": 0.1397,
    "h": 284.7
  },
  "luminance": 0.07841
}

Semantic roles & 50–950 ramp

primary

#4D429B

secondary

#B1B881

accent

#D058C1

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #4D429B

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

Preview Lab → · Contrast checker → · Palette generator →