#4D428B#4D428B

#4D428B is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.8% C 0.117 H 287.3°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#4D428B
RGB	rgb(77, 66, 139)
HSL	hsl(249, 36%, 40%)
HSV	hsv(249, 53%, 55%)
CMYK	cmyk(44.6%, 52.5%, 0%, 45.5%)
CIE-LAB	lab(32.56, 24.07, -39.27)
CIE-LCH	lch(32.56, 46.06, 301.51°)
OKLab	oklab(42.84% 0.0348 -0.1115)
OKLCH	oklch(42.84% 0.117 287.3)
XYZ	xyz(9.6677, 7.3379, 25.3281)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D428B #808B42

analogous

#425B8B #4D428B #71428B

triadic

#4D428B #8B4D42 #428B4D

tetradic

#4D428B #8B425B #808B42 #428B71

square

#4D428B #8B425B #808B42 #428B71

split-complementary

#4D428B #8B7142 #5B8B42

monochromatic

#1F1B38 #362E62 #4D428B #675AB1 #8D83C4

Accessibility & contrast

On white

8.51

#4D428B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#4D428B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D428B

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D428B	#FFFFFF	#000000	##FFFFFF
##4D428B	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224E8E

Deuteranopia (green-blind)

#214B89

Tritanopia (blue-blind)

#3A5160

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4d428b;
/* rgb */ color: rgb(77, 66, 139);
/* oklch */ color: oklch(42.8% 0.117 287.3);

Tailwind

colors: {
  custom: {
    50: '#8376ad',
    500: '#4d428b',
    950: '#000000',
  },
}

SCSS

$custom: #4d428b;
$custom-light: #8376ad;
$custom-dark: #000000;

JSON

{
  "hex": "#4d428b",
  "rgb": {
    "r": 77,
    "g": 66,
    "b": 139
  },
  "hsl": {
    "h": 249.041,
    "s": 35.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4284,
    "c": 0.11684,
    "h": 287.3
  },
  "luminance": 0.07338
}

Semantic roles & 50–950 ramp

primary

#4D428B

secondary

#A7AF7A

accent

#CC5CBB

background

#F8F7FA

surface

#EFEDF4

border

#CAC8CE

text

#0B0810

muted

#7C7B7F

Preview Lab

Preview with #4D428B

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

Preview Lab → · Contrast checker → · Palette generator →