#3A43A3#3A43A3

#3A43A3 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.153 H 274.0°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3A43A3
RGB	rgb(58, 67, 163)
HSL	hsl(235, 48%, 43%)
HSV	hsv(235, 64%, 64%)
CMYK	cmyk(64.4%, 58.9%, 0%, 36.1%)
CIE-LAB	lab(33.04, 27.45, -53.17)
CIE-LCH	lch(33.04, 59.84, 297.31°)
OKLab	oklab(43.36% 0.0108 -0.1529)
OKLCH	oklch(43.36% 0.153 274)
XYZ	xyz(10.3608, 7.5573, 35.5559)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A43A3 #A39A3A

analogous

#3A77A3 #3A43A3 #653AA3

triadic

#3A43A3 #A33A43 #43A33A

tetradic

#3A43A3 #A33A77 #A39A3A #3AA365

square

#3A43A3 #A33A77 #A39A3A #3AA365

split-complementary

#3A43A3 #A3653A #77A33A

monochromatic

#1A1E49 #2A3076 #3A43A3 #5760C3 #848BD3

Accessibility & contrast

On white

8.36

#3A43A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3A43A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43A3

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A43A3	#FFFFFF	#000000	##FFFFFF
##3A43A3	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#0049A1

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a43a3;
/* rgb */ color: rgb(58, 67, 163);
/* oklch */ color: oklch(43.4% 0.153 274.0);

Tailwind

colors: {
  custom: {
    50: '#7c77bf',
    500: '#3a43a3',
    950: '#000000',
  },
}

SCSS

$custom: #3a43a3;
$custom-light: #7c77bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a43a3",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 163
  },
  "hsl": {
    "h": 234.857,
    "s": 47.511,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43364,
    "c": 0.15332,
    "h": 274
  },
  "luminance": 0.07558
}

Semantic roles & 50–950 ramp

primary

#3A43A3

secondary

#BDB87C

accent

#CC51D7

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3A43A3

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

Preview Lab → · Contrast checker → · Palette generator →