#3A3DBB#3A3DBB

#3A3DBB is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.4% C 0.193 H 274.2°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3A3DBB
RGB	rgb(58, 61, 187)
HSL	hsl(239, 53%, 48%)
HSV	hsv(239, 69%, 73%)
CMYK	cmyk(69%, 67.4%, 0%, 26.7%)
CIE-LAB	lab(33.61, 39.61, -66.53)
CIE-LCH	lch(33.61, 77.43, 300.77°)
OKLab	oklab(44.41% 0.0142 -0.1922)
OKLCH	oklch(44.41% 0.193 274.2)
XYZ	xyz(12.3803, 7.8237, 47.8618)
Luminance	0.0783 (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

#3A3DBB #BBB83A

analogous

#3A7DBB #3A3DBB #783ABB

triadic

#3A3DBB #BB3A3D #3DBB3A

tetradic

#3A3DBB #BB3A7D #BBB83A #3ABB78

square

#3A3DBB #BB3A7D #BBB83A #3ABB78

split-complementary

#3A3DBB #BB783A #7DBB3A

monochromatic

#1D1F5E #2C2E8C #3A3DBB #6366CF #9294DD

Accessibility & contrast

On white

8.19

#3A3DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3A3DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3DBB

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3DBB	#FFFFFF	#000000	##FFFFFF
##3A3DBB	1.00	8.19	2.57	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.19	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: #3a3dbb;
/* rgb */ color: rgb(58, 61, 187);
/* oklch */ color: oklch(44.4% 0.193 274.2);

Tailwind

colors: {
  custom: {
    50: '#8173d1',
    500: '#3a3dbb',
    950: '#000000',
  },
}

SCSS

$custom: #3a3dbb;
$custom-light: #8173d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3dbb",
  "rgb": {
    "r": 58,
    "g": 61,
    "b": 187
  },
  "hsl": {
    "h": 238.605,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44407,
    "c": 0.19271,
    "h": 274.2
  },
  "luminance": 0.07825
}

Semantic roles & 50–950 ramp

primary

#3A3DBB

secondary

#C8C788

accent

#D94CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3DBB

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

Preview Lab → · Contrast checker → · Palette generator →