#3839CB#3839CB

#3839CB is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.2% C 0.217 H 273.2°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3839CB
RGB	rgb(56, 57, 203)
HSL	hsl(240, 59%, 51%)
HSV	hsv(240, 72%, 80%)
CMYK	cmyk(72.4%, 71.9%, 0%, 20.4%)
CIE-LAB	lab(34.14, 47.10, -75.03)
CIE-LCH	lch(34.14, 88.59, 302.12°)
OKLab	oklab(45.22% 0.0121 -0.2171)
OKLCH	oklch(45.22% 0.217 273.2)
XYZ	xyz(13.8699, 8.0774, 57.3165)
Luminance	0.0808 (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

#3839CB #CBCA38

analogous

#3882CB #3839CB #8038CB

triadic

#3839CB #CB3839 #39CB38

tetradic

#3839CB #CB3882 #CBCA38 #38CB80

square

#3839CB #CB3882 #CBCA38 #38CB80

split-complementary

#3839CB #CB8038 #82CB38

monochromatic

#1C1D6C #292A9D #3839CB #6969D8 #999AE4

Accessibility & contrast

On white

8.03

#3839CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3839CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839CB

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839CB	#FFFFFF	#000000	##FFFFFF
##3839CB	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CF

Deuteranopia (green-blind)

#0049C8

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3839cb;
/* rgb */ color: rgb(56, 57, 203);
/* oklch */ color: oklch(45.2% 0.217 273.2);

Tailwind

colors: {
  custom: {
    50: '#8471dc',
    500: '#3839cb',
    950: '#000000',
  },
}

SCSS

$custom: #3839cb;
$custom-light: #8471dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3839cb",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 203
  },
  "hsl": {
    "h": 239.592,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45215,
    "c": 0.2174,
    "h": 273.2
  },
  "luminance": 0.08079
}

Semantic roles & 50–950 ramp

primary

#3839CB

secondary

#D0D08F

accent

#E146E2

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3839CB

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

Preview Lab → · Contrast checker → · Palette generator →