#3B42AC#3B42AC

#3B42AC is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.167 H 274.4°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#3B42AC
RGB	rgb(59, 66, 172)
HSL	hsl(236, 49%, 45%)
HSV	hsv(236, 66%, 67%)
CMYK	cmyk(65.7%, 61.6%, 0%, 32.5%)
CIE-LAB	lab(33.57, 31.43, -57.70)
CIE-LCH	lch(33.57, 65.70, 298.58°)
OKLab	oklab(44% 0.0127 -0.1662)
OKLCH	oklch(44% 0.167 274.4)
XYZ	xyz(11.1958, 7.8038, 39.9380)
Luminance	0.0780 (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

#3B42AC #ACA53B

analogous

#3B7BAC #3B42AC #6C3BAC

triadic

#3B42AC #AC3B42 #42AC3B

tetradic

#3B42AC #AC3B7B #ACA53B #3BAC6C

square

#3B42AC #AC3B7B #ACA53B #3BAC6C

split-complementary

#3B42AC #AC6C3B #7BAC3B

monochromatic

#1C1F51 #2B317E #3B42AC #5D63C7 #8A8FD7

Accessibility & contrast

On white

8.20

#3B42AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3B42AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B42AC

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B42AC	#FFFFFF	#000000	##FFFFFF
##3B42AC	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#004AAA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3b42ac;
/* rgb */ color: rgb(59, 66, 172);
/* oklch */ color: oklch(44.0% 0.167 274.4);

Tailwind

colors: {
  custom: {
    50: '#7e76c6',
    500: '#3b42ac',
    950: '#000000',
  },
}

SCSS

$custom: #3b42ac;
$custom-light: #7e76c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b42ac",
  "rgb": {
    "r": 59,
    "g": 66,
    "b": 172
  },
  "hsl": {
    "h": 236.283,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43995,
    "c": 0.16672,
    "h": 274.4
  },
  "luminance": 0.07805
}

Semantic roles & 50–950 ramp

primary

#3B42AC

secondary

#C1BD81

accent

#D04FD8

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3B42AC

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

Preview Lab → · Contrast checker → · Palette generator →