#3A3CB2#3A3CB2

#3A3CB2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.182 H 275.0°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CB2
RGB	rgb(58, 60, 178)
HSL	hsl(239, 51%, 46%)
HSV	hsv(239, 67%, 70%)
CMYK	cmyk(67.4%, 66.3%, 0%, 30.2%)
CIE-LAB	lab(32.58, 37.15, -62.90)
CIE-LCH	lch(32.58, 73.05, 300.57°)
OKLab	oklab(43.41% 0.0159 -0.1815)
OKLCH	oklch(43.41% 0.182 275)
XYZ	xyz(11.3940, 7.3446, 42.9280)
Luminance	0.0735 (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

#3A3CB2 #B2B03A

analogous

#3A78B2 #3A3CB2 #743AB2

triadic

#3A3CB2 #B23A3C #3CB23A

tetradic

#3A3CB2 #B23A78 #B2B03A #3AB274

square

#3A3CB2 #B23A78 #B2B03A #3AB274

split-complementary

#3A3CB2 #B2743A #78B23A

monochromatic

#1C1D56 #2B2C84 #3A3CB2 #5F60CB #8D8EDA

Accessibility & contrast

On white

8.50

#3A3CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3A3CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CB2

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CB2	#FFFFFF	#000000	##FFFFFF
##3A3CB2	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a3cb2;
/* rgb */ color: rgb(58, 60, 178);
/* oklch */ color: oklch(43.4% 0.182 275.0);

Tailwind

colors: {
  custom: {
    50: '#8072ca',
    500: '#3a3cb2',
    950: '#000000',
  },
}

SCSS

$custom: #3a3cb2;
$custom-light: #8072ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3cb2",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 178
  },
  "hsl": {
    "h": 239,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4341,
    "c": 0.18224,
    "h": 275
  },
  "luminance": 0.07346
}

Semantic roles & 50–950 ramp

primary

#3A3CB2

secondary

#C4C383

accent

#D84DDA

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3CB2

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

Preview Lab → · Contrast checker → · Palette generator →