#3A3DA1#3A3DA1

#3A3DA1 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.158 H 275.9°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#3A3DA1
RGB	rgb(58, 61, 161)
HSL	hsl(238, 47%, 43%)
HSV	hsv(238, 64%, 63%)
CMYK	cmyk(64%, 62.1%, 0%, 36.9%)
CIE-LAB	lab(31.37, 30.64, -54.69)
CIE-LCH	lch(31.37, 62.68, 299.26°)
OKLab	oklab(42.08% 0.0163 -0.1575)
OKLCH	oklch(42.08% 0.158 275.9)
XYZ	xyz(9.8446, 6.8094, 34.5069)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.63

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3DA1 #A19E3A

analogous

#3A71A1 #3A3DA1 #6A3AA1

triadic

#3A3DA1 #A13A3D #3DA13A

tetradic

#3A3DA1 #A13A71 #A19E3A #3AA16A

square

#3A3DA1 #A13A71 #A19E3A #3AA16A

split-complementary

#3A3DA1 #A16A3A #71A13A

monochromatic

#1A1B47 #2A2C74 #3A3DA1 #5659C2 #8385D2

Accessibility & contrast

On white

8.89

#3A3DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3A3DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3DA1

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3DA1	#FFFFFF	#000000	##FFFFFF
##3A3DA1	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA4

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a3da1;
/* rgb */ color: rgb(58, 61, 161);
/* oklch */ color: oklch(42.1% 0.158 275.9);

Tailwind

colors: {
  custom: {
    50: '#7c72be',
    500: '#3a3da1',
    950: '#000000',
  },
}

SCSS

$custom: #3a3da1;
$custom-light: #7c72be;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3da1",
  "rgb": {
    "r": 58,
    "g": 61,
    "b": 161
  },
  "hsl": {
    "h": 238.252,
    "s": 47.032,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42076,
    "c": 0.1583,
    "h": 275.9
  },
  "luminance": 0.0681
}

Semantic roles & 50–950 ramp

primary

#3A3DA1

secondary

#BCBA7B

accent

#D351D7

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3A3DA1

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

Preview Lab → · Contrast checker → · Palette generator →