#3A3DB5#3A3DB5

#3A3DB5 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.185 H 274.6°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#3A3DB5
RGB	rgb(58, 61, 181)
HSL	hsl(239, 51%, 47%)
HSV	hsv(239, 68%, 71%)
CMYK	cmyk(68%, 66.3%, 0%, 29%)
CIE-LAB	lab(33.08, 37.56, -63.86)
CIE-LCH	lch(33.08, 74.09, 300.46°)
OKLab	oklab(43.85% 0.0148 -0.1844)
OKLCH	oklch(43.85% 0.185 274.6)
XYZ	xyz(11.7514, 7.5722, 44.5494)
Luminance	0.0757 (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

#3A3DB5 #B5B23A

analogous

#3A7AB5 #3A3DB5 #753AB5

triadic

#3A3DB5 #B53A3D #3DB53A

tetradic

#3A3DB5 #B53A7A #B5B23A #3AB575

square

#3A3DB5 #B53A7A #B5B23A #3AB575

split-complementary

#3A3DB5 #B5753A #7AB53A

monochromatic

#1C1E58 #2B2D87 #3A3DB5 #6063CC #8E90DB

Accessibility & contrast

On white

8.35

#3A3DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3A3DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3DB5

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3DB5	#FFFFFF	#000000	##FFFFFF
##3A3DB5	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a3db5;
/* rgb */ color: rgb(58, 61, 181);
/* oklch */ color: oklch(43.9% 0.185 274.6);

Tailwind

colors: {
  custom: {
    50: '#8073cc',
    500: '#3a3db5',
    950: '#000000',
  },
}

SCSS

$custom: #3a3db5;
$custom-light: #8073cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3db5",
  "rgb": {
    "r": 58,
    "g": 61,
    "b": 181
  },
  "hsl": {
    "h": 238.537,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43852,
    "c": 0.18498,
    "h": 274.6
  },
  "luminance": 0.07573
}

Semantic roles & 50–950 ramp

primary

#3A3DB5

secondary

#C6C485

accent

#D74DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3A3DB5

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

Preview Lab → · Contrast checker → · Palette generator →