#3833B9#3833B9

#3833B9 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.5% C 0.202 H 275.2°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#3833B9
RGB	rgb(56, 51, 185)
HSL	hsl(242, 57%, 46%)
HSV	hsv(242, 72%, 73%)
CMYK	cmyk(69.7%, 72.4%, 0%, 27.5%)
CIE-LAB	lab(31.14, 44.61, -69.42)
CIE-LCH	lch(31.14, 82.52, 302.73°)
OKLab	oklab(42.54% 0.0184 -0.2007)
OKLCH	oklch(42.54% 0.202 275.2)
XYZ	xyz(11.5688, 6.7101, 46.5750)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.82

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3833B9 #B4B933

analogous

#3371B9 #3833B9 #7B33B9

triadic

#3833B9 #B93833 #33B938

tetradic

#3833B9 #B93371 #B4B933 #33B97B

square

#3833B9 #B93371 #B4B933 #33B97B

split-complementary

#3833B9 #B97B33 #71B933

monochromatic

#1B1959 #292689 #3833B9 #5D58D1 #8B88DE

Accessibility & contrast

On white

8.97

#3833B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3833B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3833B9

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3833B9	#FFFFFF	#000000	##FFFFFF
##3833B9	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBD

Deuteranopia (green-blind)

#0043B7

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3833b9;
/* rgb */ color: rgb(56, 51, 185);
/* oklch */ color: oklch(42.5% 0.202 275.2);

Tailwind

colors: {
  custom: {
    50: '#816ccf',
    500: '#3833b9',
    950: '#000000',
  },
}

SCSS

$custom: #3833b9;
$custom-light: #816ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3833b9",
  "rgb": {
    "r": 56,
    "g": 51,
    "b": 185
  },
  "hsl": {
    "h": 242.239,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42536,
    "c": 0.20151,
    "h": 275.2
  },
  "luminance": 0.06711
}

Semantic roles & 50–950 ramp

primary

#3833B9

secondary

#C5C880

accent

#E048DA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3833B9

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

Preview Lab → · Contrast checker → · Palette generator →