#3A42A2#3A42A2

#3A42A2 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.153 H 274.4°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3A42A2
RGB	rgb(58, 66, 162)
HSL	hsl(235, 47%, 43%)
HSV	hsv(235, 64%, 64%)
CMYK	cmyk(64.2%, 59.3%, 0%, 36.5%)
CIE-LAB	lab(32.71, 27.75, -53.11)
CIE-LCH	lch(32.71, 59.92, 297.59°)
OKLab	oklab(43.09% 0.0117 -0.1528)
OKLCH	oklch(43.09% 0.153 274.4)
XYZ	xyz(10.2126, 7.4037, 35.0663)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A42A2 #A29A3A

analogous

#3A76A2 #3A42A2 #663AA2

triadic

#3A42A2 #A23A42 #42A23A

tetradic

#3A42A2 #A23A76 #A29A3A #3AA266

square

#3A42A2 #A23A76 #A29A3A #3AA266

split-complementary

#3A42A2 #A2663A #76A23A

monochromatic

#1A1D48 #2A3075 #3A42A2 #575FC3 #848AD3

Accessibility & contrast

On white

8.46

#3A42A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3A42A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42A2

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42A2	#FFFFFF	#000000	##FFFFFF
##3A42A2	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A5

Deuteranopia (green-blind)

#0048A0

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a42a2;
/* rgb */ color: rgb(58, 66, 162);
/* oklch */ color: oklch(43.1% 0.153 274.4);

Tailwind

colors: {
  custom: {
    50: '#7c76be',
    500: '#3a42a2',
    950: '#000000',
  },
}

SCSS

$custom: #3a42a2;
$custom-light: #7c76be;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42a2",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 162
  },
  "hsl": {
    "h": 235.385,
    "s": 47.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43091,
    "c": 0.15323,
    "h": 274.4
  },
  "luminance": 0.07405
}

Semantic roles & 50–950 ramp

primary

#3A42A2

secondary

#BDB87B

accent

#CD51D7

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3A42A2

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

Preview Lab → · Contrast checker → · Palette generator →