#3A42AD#3A42AD

#3A42AD is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.168 H 273.9°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3A42AD
RGB	rgb(58, 66, 173)
HSL	hsl(236, 50%, 45%)
HSV	hsv(236, 66%, 68%)
CMYK	cmyk(66.5%, 61.8%, 0%, 32.2%)
CIE-LAB	lab(33.59, 31.63, -58.27)
CIE-LCH	lch(33.59, 66.30, 298.49°)
OKLab	oklab(44.02% 0.0115 -0.1679)
OKLCH	oklch(44.02% 0.168 273.9)
XYZ	xyz(11.2335, 7.8121, 40.4430)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A42AD #ADA53A

analogous

#3A7BAD #3A42AD #6B3AAD

triadic

#3A42AD #AD3A42 #42AD3A

tetradic

#3A42AD #AD3A7B #ADA53A #3AAD6B

square

#3A42AD #AD3A7B #ADA53A #3AAD6B

split-complementary

#3A42AD #AD6B3A #7BAD3A

monochromatic

#1B1F51 #2B317F #3A42AD #5C63C8 #8A8FD8

Accessibility & contrast

On white

8.19

#3A42AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3A42AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42AD

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42AD	#FFFFFF	#000000	##FFFFFF
##3A42AD	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#004AAB

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a42ad;
/* rgb */ color: rgb(58, 66, 173);
/* oklch */ color: oklch(44.0% 0.168 273.9);

Tailwind

colors: {
  custom: {
    50: '#7e76c6',
    500: '#3a42ad',
    950: '#000000',
  },
}

SCSS

$custom: #3a42ad;
$custom-light: #7e76c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42ad",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 173
  },
  "hsl": {
    "h": 235.826,
    "s": 49.784,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44017,
    "c": 0.16833,
    "h": 273.9
  },
  "luminance": 0.07813
}

Semantic roles & 50–950 ramp

primary

#3A42AD

secondary

#C2BD81

accent

#D04ED9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A42AD

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

Preview Lab → · Contrast checker → · Palette generator →