#3841BC#3841BC

#3841BC is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.190 H 272.8°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3841BC
RGB	rgb(56, 65, 188)
HSL	hsl(236, 54%, 48%)
HSV	hsv(236, 70%, 74%)
CMYK	cmyk(70.2%, 65.4%, 0%, 26.3%)
CIE-LAB	lab(34.50, 37.24, -65.67)
CIE-LCH	lch(34.50, 75.49, 299.56°)
OKLab	oklab(45.05% 0.0091 -0.1897)
OKLCH	oklch(45.05% 0.19 272.8)
XYZ	xyz(12.5952, 8.2510, 48.4960)
Luminance	0.0825 (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

#3841BC #BCB338

analogous

#3883BC #3841BC #7138BC

triadic

#3841BC #BC3841 #41BC38

tetradic

#3841BC #BC3883 #BCB338 #38BC71

square

#3841BC #BC3883 #BCB338 #38BC71

split-complementary

#3841BC #BC7138 #83BC38

monochromatic

#1C205E #2A318D #3841BC #6169D0 #9096DE

Accessibility & contrast

On white

7.92

#3841BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3841BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3841BC

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3841BC	#FFFFFF	#000000	##FFFFFF
##3841BC	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C0

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3841bc;
/* rgb */ color: rgb(56, 65, 188);
/* oklch */ color: oklch(45.0% 0.190 272.8);

Tailwind

colors: {
  custom: {
    50: '#8076d1',
    500: '#3841bc',
    950: '#000000',
  },
}

SCSS

$custom: #3841bc;
$custom-light: #8076d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3841bc",
  "rgb": {
    "r": 56,
    "g": 65,
    "b": 188
  },
  "hsl": {
    "h": 235.909,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45047,
    "c": 0.18992,
    "h": 272.8
  },
  "luminance": 0.08252
}

Semantic roles & 50–950 ramp

primary

#3841BC

secondary

#C9C487

accent

#D34ADD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3841BC

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

Preview Lab → · Contrast checker → · Palette generator →