#3830BC#3830BC

#3830BC is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.4% C 0.208 H 275.4°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#3830BC
RGB	rgb(56, 48, 188)
HSL	hsl(243, 59%, 46%)
HSV	hsv(243, 74%, 74%)
CMYK	cmyk(70.2%, 74.5%, 0%, 26.3%)
CIE-LAB	lab(30.84, 47.26, -71.68)
CIE-LCH	lch(30.84, 85.86, 303.40°)
OKLab	oklab(42.42% 0.0194 -0.2072)
OKLCH	oklch(42.42% 0.208 275.4)
XYZ	xyz(11.7619, 6.5844, 48.2183)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.46

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3830BC #B4BC30

analogous

#306EBC #3830BC #7E30BC

triadic

#3830BC #BC3830 #30BC38

tetradic

#3830BC #BC306E #B4BC30 #30BC7E

square

#3830BC #BC306E #B4BC30 #30BC7E

split-complementary

#3830BC #BC7E30 #6EBC30

monochromatic

#1B175A #29248B #3830BC #5D55D4 #8B86E0

Accessibility & contrast

On white

9.06

#3830BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3830BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3830BC

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3830BC	#FFFFFF	#000000	##FFFFFF
##3830BC	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC0

Deuteranopia (green-blind)

#0042B9

Tritanopia (blue-blind)

#005874

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3830bc;
/* rgb */ color: rgb(56, 48, 188);
/* oklch */ color: oklch(42.4% 0.208 275.4);

Tailwind

colors: {
  custom: {
    50: '#826bd1',
    500: '#3830bc',
    950: '#000000',
  },
}

SCSS

$custom: #3830bc;
$custom-light: #826bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3830bc",
  "rgb": {
    "r": 56,
    "g": 48,
    "b": 188
  },
  "hsl": {
    "h": 243.429,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42416,
    "c": 0.20816,
    "h": 275.4
  },
  "luminance": 0.06585
}

Semantic roles & 50–950 ramp

primary

#3830BC

secondary

#C5CA7E

accent

#E345DA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3830BC

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

Preview Lab → · Contrast checker → · Palette generator →