#3B3EB3#3B3EB3

#3B3EB3 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.181 H 274.9°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3B3EB3
RGB	rgb(59, 62, 179)
HSL	hsl(239, 50%, 47%)
HSV	hsv(239, 67%, 70%)
CMYK	cmyk(67%, 65.4%, 0%, 29.8%)
CIE-LAB	lab(33.20, 36.39, -62.48)
CIE-LCH	lch(33.20, 72.30, 300.22°)
OKLab	oklab(43.9% 0.0155 -0.1803)
OKLCH	oklch(43.9% 0.181 274.9)
XYZ	xyz(11.6603, 7.6287, 43.4971)
Luminance	0.0763 (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

#3B3EB3 #B3B03B

analogous

#3B7AB3 #3B3EB3 #743BB3

triadic

#3B3EB3 #B33B3E #3EB33B

tetradic

#3B3EB3 #B33B7A #B3B03B #3BB374

square

#3B3EB3 #B33B7A #B3B03B #3BB374

split-complementary

#3B3EB3 #B3743B #7AB33B

monochromatic

#1D1E57 #2C2E85 #3B3EB3 #6063CB #8E90DA

Accessibility & contrast

On white

8.31

#3B3EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3B3EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3EB3

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3EB3	#FFFFFF	#000000	##FFFFFF
##3B3EB3	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3b3eb3;
/* rgb */ color: rgb(59, 62, 179);
/* oklch */ color: oklch(43.9% 0.181 274.9);

Tailwind

colors: {
  custom: {
    50: '#8073cb',
    500: '#3b3eb3',
    950: '#000000',
  },
}

SCSS

$custom: #3b3eb3;
$custom-light: #8073cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3eb3",
  "rgb": {
    "r": 59,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 238.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43904,
    "c": 0.18094,
    "h": 274.9
  },
  "luminance": 0.0763
}

Semantic roles & 50–950 ramp

primary

#3B3EB3

secondary

#C5C385

accent

#D64EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3B3EB3

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

Preview Lab → · Contrast checker → · Palette generator →