#3838BC#3838BC

#3838BC is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.6% C 0.200 H 274.3°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3838BC
RGB	rgb(56, 56, 188)
HSL	hsl(240, 54%, 48%)
HSV	hsv(240, 70%, 74%)
CMYK	cmyk(70.2%, 70.2%, 0%, 26.3%)
CIE-LAB	lab(32.48, 42.70, -68.99)
CIE-LCH	lch(32.48, 81.14, 301.76°)
OKLab	oklab(43.58% 0.0149 -0.1994)
OKLCH	oklch(43.58% 0.2 274.3)
XYZ	xyz(12.1191, 7.2988, 48.3373)
Luminance	0.0730 (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

#3838BC #BCBC38

analogous

#387ABC #3838BC #7A38BC

triadic

#3838BC #BC3838 #38BC38

tetradic

#3838BC #BC387A #BCBC38 #38BC7A

square

#3838BC #BC387A #BCBC38 #38BC7A

split-complementary

#3838BC #BC7A38 #7ABC38

monochromatic

#1C1C5E #2A2A8D #3838BC #6161D0 #9090DE

Accessibility & contrast

On white

8.54

#3838BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3838BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3838BC

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3838BC	#FFFFFF	#000000	##FFFFFF
##3838BC	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0046BA

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3838bc;
/* rgb */ color: rgb(56, 56, 188);
/* oklch */ color: oklch(43.6% 0.200 274.3);

Tailwind

colors: {
  custom: {
    50: '#8170d1',
    500: '#3838bc',
    950: '#000000',
  },
}

SCSS

$custom: #3838bc;
$custom-light: #8170d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3838bc",
  "rgb": {
    "r": 56,
    "g": 56,
    "b": 188
  },
  "hsl": {
    "h": 240,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43583,
    "c": 0.19998,
    "h": 274.3
  },
  "luminance": 0.073
}

Semantic roles & 50–950 ramp

primary

#3838BC

secondary

#C9C987

accent

#DD4ADD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3838BC

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

Preview Lab → · Contrast checker → · Palette generator →