#3A39B8#3A39B8

#3A39B8 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.193 H 275.1°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#3A39B8
RGB	rgb(58, 57, 184)
HSL	hsl(240, 53%, 47%)
HSV	hsv(240, 69%, 72%)
CMYK	cmyk(68.5%, 69%, 0%, 27.8%)
CIE-LAB	lab(32.45, 41.00, -66.67)
CIE-LCH	lch(32.45, 78.27, 301.59°)
OKLab	oklab(43.48% 0.0173 -0.1926)
OKLCH	oklch(43.48% 0.193 275.1)
XYZ	xyz(11.8569, 7.2854, 46.1195)
Luminance	0.0729 (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

#3A39B8 #B7B839

analogous

#3978B8 #3A39B8 #7939B8

triadic

#3A39B8 #B83A39 #39B83A

tetradic

#3A39B8 #B83978 #B7B839 #39B879

square

#3A39B8 #B83978 #B7B839 #39B879

split-complementary

#3A39B8 #B87939 #78B839

monochromatic

#1D1C5B #2B2B89 #3A39B8 #6160CE #908FDC

Accessibility & contrast

On white

8.55

#3A39B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3A39B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A39B8

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A39B8	#FFFFFF	#000000	##FFFFFF
##3A39B8	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BC

Deuteranopia (green-blind)

#0046B6

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3a39b8;
/* rgb */ color: rgb(58, 57, 184);
/* oklch */ color: oklch(43.5% 0.193 275.1);

Tailwind

colors: {
  custom: {
    50: '#8170ce',
    500: '#3a39b8',
    950: '#000000',
  },
}

SCSS

$custom: #3a39b8;
$custom-light: #8170ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a39b8",
  "rgb": {
    "r": 58,
    "g": 57,
    "b": 184
  },
  "hsl": {
    "h": 240.472,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43482,
    "c": 0.19337,
    "h": 275.1
  },
  "luminance": 0.07286
}

Semantic roles & 50–950 ramp

primary

#3A39B8

secondary

#C7C786

accent

#DC4CDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3A39B8

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

Preview Lab → · Contrast checker → · Palette generator →