#3A3CB1#3A3CB1

#3A3CB1 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.181 H 275.1°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CB1
RGB	rgb(58, 60, 177)
HSL	hsl(239, 51%, 46%)
HSV	hsv(239, 67%, 69%)
CMYK	cmyk(67.2%, 66.1%, 0%, 30.6%)
CIE-LAB	lab(32.49, 36.80, -62.45)
CIE-LCH	lch(32.49, 72.48, 300.51°)
OKLab	oklab(43.32% 0.016 -0.1802)
OKLCH	oklch(43.32% 0.181 275.1)
XYZ	xyz(11.2940, 7.3046, 42.4012)
Luminance	0.0731 (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

#3A3CB1 #B1AF3A

analogous

#3A77B1 #3A3CB1 #733AB1

triadic

#3A3CB1 #B13A3C #3CB13A

tetradic

#3A3CB1 #B13A77 #B1AF3A #3AB173

square

#3A3CB1 #B13A77 #B1AF3A #3AB173

split-complementary

#3A3CB1 #B1733A #77B13A

monochromatic

#1C1D55 #2B2C83 #3A3CB1 #5E60CA #8C8DD9

Accessibility & contrast

On white

8.53

#3A3CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3A3CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CB1

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CB1	#FFFFFF	#000000	##FFFFFF
##3A3CB1	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B5

Deuteranopia (green-blind)

#0047AF

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3a3cb1;
/* rgb */ color: rgb(58, 60, 177);
/* oklch */ color: oklch(43.3% 0.181 275.1);

Tailwind

colors: {
  custom: {
    50: '#7f72c9',
    500: '#3a3cb1',
    950: '#000000',
  },
}

SCSS

$custom: #3a3cb1;
$custom-light: #7f72c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3cb1",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 177
  },
  "hsl": {
    "h": 238.992,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43318,
    "c": 0.18094,
    "h": 275.1
  },
  "luminance": 0.07306
}

Semantic roles & 50–950 ramp

primary

#3A3CB1

secondary

#C4C383

accent

#D84EDA

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3CB1

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

Preview Lab → · Contrast checker → · Palette generator →