#3B3DBB#3B3DBB

#3B3DBB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.5% C 0.192 H 274.6°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#3B3DBB
RGB	rgb(59, 61, 187)
HSL	hsl(239, 52%, 48%)
HSV	hsv(239, 68%, 73%)
CMYK	cmyk(68.4%, 67.4%, 0%, 26.7%)
CIE-LAB	lab(33.68, 39.73, -66.42)
CIE-LCH	lch(33.68, 77.40, 300.89°)
OKLab	oklab(44.47% 0.0154 -0.1918)
OKLCH	oklch(44.47% 0.192 274.6)
XYZ	xyz(12.4390, 7.8540, 47.8645)
Luminance	0.0785 (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

#3B3DBB #BBB93B

analogous

#3B7DBB #3B3DBB #793BBB

triadic

#3B3DBB #BB3B3D #3DBB3B

tetradic

#3B3DBB #BB3B7D #BBB93B #3BBB79

square

#3B3DBB #BB3B7D #BBB93B #3BBB79

split-complementary

#3B3DBB #BB793B #7DBB3B

monochromatic

#1E1F5E #2C2E8C #3B3DBB #6566CE #9395DD

Accessibility & contrast

On white

8.17

#3B3DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3B3DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3DBB

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3DBB	#FFFFFF	#000000	##FFFFFF
##3B3DBB	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#0049B9

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3b3dbb;
/* rgb */ color: rgb(59, 61, 187);
/* oklch */ color: oklch(44.5% 0.192 274.6);

Tailwind

colors: {
  custom: {
    50: '#8273d1',
    500: '#3b3dbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b3dbb;
$custom-light: #8273d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3dbb",
  "rgb": {
    "r": 59,
    "g": 61,
    "b": 187
  },
  "hsl": {
    "h": 239.063,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44471,
    "c": 0.19246,
    "h": 274.6
  },
  "luminance": 0.07855
}

Semantic roles & 50–950 ramp

primary

#3B3DBB

secondary

#C8C78A

accent

#D94CDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3B3DBB

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

Preview Lab → · Contrast checker → · Palette generator →