#3A42AC#3A42AC

#3A42AC is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.9% C 0.167 H 274.0°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#3A42AC
RGB	rgb(58, 66, 172)
HSL	hsl(236, 50%, 45%)
HSV	hsv(236, 66%, 67%)
CMYK	cmyk(66.3%, 61.6%, 0%, 32.5%)
CIE-LAB	lab(33.51, 31.28, -57.81)
CIE-LCH	lch(33.51, 65.73, 298.42°)
OKLab	oklab(43.93% 0.0115 -0.1666)
OKLCH	oklch(43.93% 0.167 274)
XYZ	xyz(11.1371, 7.7735, 39.9353)
Luminance	0.0777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.80

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A42AC #ACA43A

analogous

#3A7BAC #3A42AC #6B3AAC

triadic

#3A42AC #AC3A42 #42AC3A

tetradic

#3A42AC #AC3A7B #ACA43A #3AAC6B

square

#3A42AC #AC3A7B #ACA43A #3AAC6B

split-complementary

#3A42AC #AC6B3A #7BAC3A

monochromatic

#1B1F50 #2B307E #3A42AC #5B63C8 #898FD7

Accessibility & contrast

On white

8.22

#3A42AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3A42AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42AC

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42AC	#FFFFFF	#000000	##FFFFFF
##3A42AC	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#004AAA

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a42ac;
/* rgb */ color: rgb(58, 66, 172);
/* oklch */ color: oklch(43.9% 0.167 274.0);

Tailwind

colors: {
  custom: {
    50: '#7e76c6',
    500: '#3a42ac',
    950: '#000000',
  },
}

SCSS

$custom: #3a42ac;
$custom-light: #7e76c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42ac",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 172
  },
  "hsl": {
    "h": 235.789,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43931,
    "c": 0.16698,
    "h": 274
  },
  "luminance": 0.07775
}

Semantic roles & 50–950 ramp

primary

#3A42AC

secondary

#C2BD80

accent

#CF4FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A42AC

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

Preview Lab → · Contrast checker → · Palette generator →