#3A3DBA#3A3DBA

#3A3DBA is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.191 H 274.3°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#3A3DBA
RGB	rgb(58, 61, 186)
HSL	hsl(239, 52%, 48%)
HSV	hsv(239, 69%, 73%)
CMYK	cmyk(68.8%, 67.2%, 0%, 27.1%)
CIE-LAB	lab(33.52, 39.27, -66.09)
CIE-LCH	lch(33.52, 76.87, 300.72°)
OKLab	oklab(44.31% 0.0143 -0.1909)
OKLCH	oklch(44.31% 0.191 274.3)
XYZ	xyz(12.2737, 7.7811, 47.2999)
Luminance	0.0778 (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

#3A3DBA #BAB73A

analogous

#3A7DBA #3A3DBA #773ABA

triadic

#3A3DBA #BA3A3D #3DBA3A

tetradic

#3A3DBA #BA3A7D #BAB73A #3ABA77

square

#3A3DBA #BA3A7D #BAB73A #3ABA77

split-complementary

#3A3DBA #BA773A #7DBA3A

monochromatic

#1D1E5D #2B2E8B #3A3DBA #6365CE #9293DD

Accessibility & contrast

On white

8.21

#3A3DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3A3DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3DBA

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3DBA	#FFFFFF	#000000	##FFFFFF
##3A3DBA	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BE

Deuteranopia (green-blind)

#0049B8

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a3dba;
/* rgb */ color: rgb(58, 61, 186);
/* oklch */ color: oklch(44.3% 0.191 274.3);

Tailwind

colors: {
  custom: {
    50: '#8173d0',
    500: '#3a3dba',
    950: '#000000',
  },
}

SCSS

$custom: #3a3dba;
$custom-light: #8173d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3dba",
  "rgb": {
    "r": 58,
    "g": 61,
    "b": 186
  },
  "hsl": {
    "h": 238.594,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44314,
    "c": 0.19143,
    "h": 274.3
  },
  "luminance": 0.07782
}

Semantic roles & 50–950 ramp

primary

#3A3DBA

secondary

#C8C688

accent

#D94CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3DBA

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

Preview Lab → · Contrast checker → · Palette generator →