#4F429B#4F429B

#4F429B is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.2% C 0.140 H 285.9°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#4F429B
RGB	rgb(79, 66, 155)
HSL	hsl(249, 40%, 43%)
HSV	hsv(249, 57%, 61%)
CMYK	cmyk(49%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(33.83, 29.54, -47.00)
CIE-LCH	lch(33.83, 55.51, 302.15°)
OKLab	oklab(44.17% 0.0381 -0.1342)
OKLCH	oklch(44.17% 0.14 285.9)
XYZ	xyz(11.0873, 7.9247, 31.9494)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F429B #8E9B42

analogous

#42619B #4F429B #7B429B

triadic

#4F429B #9B4F42 #429B4F

tetradic

#4F429B #9B4261 #8E9B42 #429B7B

square

#4F429B #9B4261 #8E9B42 #429B7B

split-complementary

#4F429B #9B7B42 #619B42

monochromatic

#231D45 #393070 #4F429B #6D5FBB #948ACD

Accessibility & contrast

On white

8.12

#4F429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4F429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F429B

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F429B	#FFFFFF	#000000	##FFFFFF
##4F429B	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07529E

Deuteranopia (green-blind)

#034D99

Tritanopia (blue-blind)

#355668

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4f429b;
/* rgb */ color: rgb(79, 66, 155);
/* oklch */ color: oklch(44.2% 0.140 285.9);

Tailwind

colors: {
  custom: {
    50: '#8677b9',
    500: '#4f429b',
    950: '#000000',
  },
}

SCSS

$custom: #4f429b;
$custom-light: #8677b9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f429b",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 248.764,
    "s": 40.271,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44169,
    "c": 0.1395,
    "h": 285.9
  },
  "luminance": 0.07925
}

Semantic roles & 50–950 ramp

primary

#4F429B

secondary

#B0B881

accent

#D058BF

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #4F429B

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

Preview Lab → · Contrast checker → · Palette generator →