#3A43B8#3A43B8

#3A43B8 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.2% C 0.182 H 273.2°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A43B8
RGB	rgb(58, 67, 184)
HSL	hsl(236, 52%, 47%)
HSV	hsv(236, 68%, 72%)
CMYK	cmyk(68.5%, 63.6%, 0%, 27.8%)
CIE-LAB	lab(34.75, 34.85, -62.90)
CIE-LCH	lch(34.75, 71.91, 298.99°)
OKLab	oklab(45.16% 0.0102 -0.1815)
OKLCH	oklch(45.16% 0.182 273.2)
XYZ	xyz(12.4009, 8.3734, 46.3008)
Luminance	0.0838 (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

#3A43B8 #B8AF3A

analogous

#3A82B8 #3A43B8 #703AB8

triadic

#3A43B8 #B83A43 #43B83A

tetradic

#3A43B8 #B83A82 #B8AF3A #3AB870

square

#3A43B8 #B83A82 #B8AF3A #3AB870

split-complementary

#3A43B8 #B8703A #82B83A

monochromatic

#1D215B #2B3289 #3A43B8 #6269CD #9096DC

Accessibility & contrast

On white

7.85

#3A43B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3A43B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43B8

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A43B8	#FFFFFF	#000000	##FFFFFF
##3A43B8	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BC

Deuteranopia (green-blind)

#004CB6

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a43b8;
/* rgb */ color: rgb(58, 67, 184);
/* oklch */ color: oklch(45.2% 0.182 273.2);

Tailwind

colors: {
  custom: {
    50: '#8077ce',
    500: '#3a43b8',
    950: '#000000',
  },
}

SCSS

$custom: #3a43b8;
$custom-light: #8077ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a43b8",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 184
  },
  "hsl": {
    "h": 235.714,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45155,
    "c": 0.18181,
    "h": 273.2
  },
  "luminance": 0.08375
}

Semantic roles & 50–950 ramp

primary

#3A43B8

secondary

#C7C287

accent

#D14CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A43B8

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

Preview Lab → · Contrast checker → · Palette generator →