#3A43BA#3A43BA

#3A43BA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.3% C 0.184 H 273.1°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#3A43BA
RGB	rgb(58, 67, 186)
HSL	hsl(236, 52%, 48%)
HSV	hsv(236, 69%, 73%)
CMYK	cmyk(68.8%, 64%, 0%, 27.1%)
CIE-LAB	lab(34.92, 35.55, -63.80)
CIE-LCH	lch(34.92, 73.04, 299.13°)
OKLab	oklab(45.33% 0.0101 -0.1842)
OKLCH	oklch(45.33% 0.184 273.1)
XYZ	xyz(12.6120, 8.4578, 47.4127)
Luminance	0.0846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A43BA #BAB13A

analogous

#3A83BA #3A43BA #713ABA

triadic

#3A43BA #BA3A43 #43BA3A

tetradic

#3A43BA #BA3A83 #BAB13A #3ABA71

square

#3A43BA #BA3A83 #BAB13A #3ABA71

split-complementary

#3A43BA #BA713A #83BA3A

monochromatic

#1D215D #2B328B #3A43BA #636ACE #9297DD

Accessibility & contrast

On white

7.80

#3A43BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3A43BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43BA

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A43BA	#FFFFFF	#000000	##FFFFFF
##3A43BA	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004CB8

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a43ba;
/* rgb */ color: rgb(58, 67, 186);
/* oklch */ color: oklch(45.3% 0.184 273.1);

Tailwind

colors: {
  custom: {
    50: '#8177d0',
    500: '#3a43ba',
    950: '#000000',
  },
}

SCSS

$custom: #3a43ba;
$custom-light: #8177d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a43ba",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 186
  },
  "hsl": {
    "h": 235.781,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45332,
    "c": 0.18444,
    "h": 273.1
  },
  "luminance": 0.08459
}

Semantic roles & 50–950 ramp

primary

#3A43BA

secondary

#C8C388

accent

#D24CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A43BA

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

Preview Lab → · Contrast checker → · Palette generator →