#3A43AB#3A43AB

#3A43AB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.0% C 0.164 H 273.7°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#3A43AB
RGB	rgb(58, 67, 171)
HSL	hsl(235, 49%, 45%)
HSV	hsv(235, 66%, 67%)
CMYK	cmyk(66.1%, 60.8%, 0%, 32.9%)
CIE-LAB	lab(33.68, 30.28, -56.93)
CIE-LCH	lch(33.68, 64.49, 298.01°)
OKLab	oklab(44.03% 0.0107 -0.164)
OKLCH	oklch(44.03% 0.164 273.7)
XYZ	xyz(11.1003, 7.8531, 39.4510)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A43AB #ABA23A

analogous

#3A7CAB #3A43AB #693AAB

triadic

#3A43AB #AB3A43 #43AB3A

tetradic

#3A43AB #AB3A7C #ABA23A #3AAB69

square

#3A43AB #AB3A7C #ABA23A #3AAB69

split-complementary

#3A43AB #AB693A #7CAB3A

monochromatic

#1B1F50 #2A317D #3A43AB #5B64C7 #898FD7

Accessibility & contrast

On white

8.17

#3A43AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3A43AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43AB

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A43AB	#FFFFFF	#000000	##FFFFFF
##3A43AB	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#004AA9

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a43ab;
/* rgb */ color: rgb(58, 67, 171);
/* oklch */ color: oklch(44.0% 0.164 273.7);

Tailwind

colors: {
  custom: {
    50: '#7e77c5',
    500: '#3a43ab',
    950: '#000000',
  },
}

SCSS

$custom: #3a43ab;
$custom-light: #7e77c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a43ab",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 171
  },
  "hsl": {
    "h": 235.221,
    "s": 49.345,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4403,
    "c": 0.16436,
    "h": 273.7
  },
  "luminance": 0.07854
}

Semantic roles & 50–950 ramp

primary

#3A43AB

secondary

#C1BC80

accent

#CE4FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A43AB

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

Preview Lab → · Contrast checker → · Palette generator →