#3833B5#3833B5

#3833B5 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.1% C 0.197 H 275.6°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#3833B5
RGB	rgb(56, 51, 181)
HSL	hsl(242, 56%, 45%)
HSV	hsv(242, 72%, 71%)
CMYK	cmyk(69.1%, 71.8%, 0%, 29%)
CIE-LAB	lab(30.74, 43.30, -67.70)
CIE-LCH	lch(30.74, 80.36, 302.60°)
OKLab	oklab(42.14% 0.0191 -0.1956)
OKLCH	oklch(42.14% 0.197 275.6)
XYZ	xyz(11.1525, 6.5436, 44.3824)
Luminance	0.0654 (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

#3833B5 #B0B533

analogous

#336FB5 #3833B5 #7933B5

triadic

#3833B5 #B53833 #33B538

tetradic

#3833B5 #B5336F #B0B533 #33B579

square

#3833B5 #B5336F #B0B533 #33B579

split-complementary

#3833B5 #B57933 #6FB533

monochromatic

#1A1856 #292685 #3833B5 #5B56CF #8986DD

Accessibility & contrast

On white

9.09

#3833B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3833B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3833B5

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3833B5	#FFFFFF	#000000	##FFFFFF
##3833B5	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB9

Deuteranopia (green-blind)

#0042B3

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3833b5;
/* rgb */ color: rgb(56, 51, 181);
/* oklch */ color: oklch(42.1% 0.197 275.6);

Tailwind

colors: {
  custom: {
    50: '#806ccc',
    500: '#3833b5',
    950: '#000000',
  },
}

SCSS

$custom: #3833b5;
$custom-light: #806ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#3833b5",
  "rgb": {
    "r": 56,
    "g": 51,
    "b": 181
  },
  "hsl": {
    "h": 242.308,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42137,
    "c": 0.19657,
    "h": 275.6
  },
  "luminance": 0.06545
}

Semantic roles & 50–950 ramp

primary

#3833B5

secondary

#C4C67D

accent

#DF48DA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3833B5

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

Preview Lab → · Contrast checker → · Palette generator →