#3A43B4#3A43B4

#3A43B4 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.176 H 273.4°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#3A43B4
RGB	rgb(58, 67, 180)
HSL	hsl(236, 51%, 47%)
HSV	hsv(236, 68%, 71%)
CMYK	cmyk(67.8%, 62.8%, 0%, 29.4%)
CIE-LAB	lab(34.41, 33.45, -61.08)
CIE-LCH	lch(34.41, 69.64, 298.71°)
OKLab	oklab(44.8% 0.0104 -0.1762)
OKLCH	oklch(44.8% 0.177 273.4)
XYZ	xyz(11.9875, 8.2080, 44.1237)
Luminance	0.0821 (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

#3A43B4 #B4AB3A

analogous

#3A80B4 #3A43B4 #6E3AB4

triadic

#3A43B4 #B43A43 #43B43A

tetradic

#3A43B4 #B43A80 #B4AB3A #3AB46E

square

#3A43B4 #B43A80 #B4AB3A #3AB46E

split-complementary

#3A43B4 #B46E3A #80B43A

monochromatic

#1C2157 #2B3286 #3A43B4 #6068CC #8E94DB

Accessibility & contrast

On white

7.95

#3A43B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3A43B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43B4

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A43B4	#FFFFFF	#000000	##FFFFFF
##3A43B4	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a43b4;
/* rgb */ color: rgb(58, 67, 180);
/* oklch */ color: oklch(44.8% 0.176 273.4);

Tailwind

colors: {
  custom: {
    50: '#7f77cb',
    500: '#3a43b4',
    950: '#000000',
  },
}

SCSS

$custom: #3a43b4;
$custom-light: #7f77cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a43b4",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 180
  },
  "hsl": {
    "h": 235.574,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44803,
    "c": 0.1765,
    "h": 273.4
  },
  "luminance": 0.08209
}

Semantic roles & 50–950 ramp

primary

#3A43B4

secondary

#C5C085

accent

#D04DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A43B4

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

Preview Lab → · Contrast checker → · Palette generator →