#3A43BC#3A43BC

#3A43BC is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.187 H 273.0°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#3A43BC
RGB	rgb(58, 67, 188)
HSL	hsl(236, 53%, 48%)
HSV	hsv(236, 69%, 74%)
CMYK	cmyk(69.1%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(35.09, 36.25, -64.70)
CIE-LCH	lch(35.09, 74.16, 299.26°)
OKLab	oklab(45.51% 0.0099 -0.1868)
OKLCH	oklch(45.51% 0.187 273)
XYZ	xyz(12.8261, 8.5435, 48.5403)
Luminance	0.0854 (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

#3A43BC #BCB33A

analogous

#3A84BC #3A43BC #723ABC

triadic

#3A43BC #BC3A43 #43BC3A

tetradic

#3A43BC #BC3A84 #BCB33A #3ABC72

square

#3A43BC #BC3A84 #BCB33A #3ABC72

split-complementary

#3A43BC #BC723A #84BC3A

monochromatic

#1D225E #2C328D #3A43BC #646BCF #9398DE

Accessibility & contrast

On white

7.75

#3A43BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3A43BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43BC

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A43BC	#FFFFFF	#000000	##FFFFFF
##3A43BC	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3a43bc;
/* rgb */ color: rgb(58, 67, 188);
/* oklch */ color: oklch(45.5% 0.187 273.0);

Tailwind

colors: {
  custom: {
    50: '#8177d1',
    500: '#3a43bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a43bc;
$custom-light: #8177d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a43bc",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 235.846,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4551,
    "c": 0.18705,
    "h": 273
  },
  "luminance": 0.08545
}

Semantic roles & 50–950 ramp

primary

#3A43BC

secondary

#C9C489

accent

#D24CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3A43BC

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

Preview Lab → · Contrast checker → · Palette generator →