#3843BF#3843BF

#3843BF is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.191 H 272.3°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3843BF
RGB	rgb(56, 67, 191)
HSL	hsl(235, 55%, 48%)
HSV	hsv(235, 71%, 75%)
CMYK	cmyk(70.7%, 64.9%, 0%, 25.1%)
CIE-LAB	lab(35.23, 37.04, -66.23)
CIE-LCH	lch(35.23, 75.88, 299.22°)
OKLab	oklab(45.66% 0.0075 -0.1913)
OKLCH	oklch(45.66% 0.191 272.3)
XYZ	xyz(13.0388, 8.6154, 50.2559)
Luminance	0.0862 (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

#3843BF #BFB438

analogous

#3886BF #3843BF #7038BF

triadic

#3843BF #BF3843 #43BF38

tetradic

#3843BF #BF3886 #BFB438 #38BF70

square

#3843BF #BF3886 #BFB438 #38BF70

split-complementary

#3843BF #BF7038 #86BF38

monochromatic

#1C2260 #2A3290 #3843BF #636CD1 #9299DF

Accessibility & contrast

On white

7.71

#3843BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3843BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3843BF

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3843BF	#FFFFFF	#000000	##FFFFFF
##3843BF	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#004DBD

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3843bf;
/* rgb */ color: rgb(56, 67, 191);
/* oklch */ color: oklch(45.7% 0.191 272.3);

Tailwind

colors: {
  custom: {
    50: '#8177d3',
    500: '#3843bf',
    950: '#000000',
  },
}

SCSS

$custom: #3843bf;
$custom-light: #8177d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3843bf",
  "rgb": {
    "r": 56,
    "g": 67,
    "b": 191
  },
  "hsl": {
    "h": 235.111,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45663,
    "c": 0.19148,
    "h": 272.3
  },
  "luminance": 0.08617
}

Semantic roles & 50–950 ramp

primary

#3843BF

secondary

#CAC589

accent

#D24ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3843BF

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

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