#3833B8#3833B8

#3833B8 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.4% C 0.200 H 275.3°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#3833B8
RGB	rgb(56, 51, 184)
HSL	hsl(242, 57%, 46%)
HSV	hsv(242, 72%, 72%)
CMYK	cmyk(69.6%, 72.3%, 0%, 27.8%)
CIE-LAB	lab(31.04, 44.28, -68.99)
CIE-LCH	lch(31.04, 81.98, 302.70°)
OKLab	oklab(42.44% 0.0185 -0.1994)
OKLCH	oklch(42.44% 0.2 275.3)
XYZ	xyz(11.4636, 6.6680, 46.0210)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.75

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3833B8 #B3B833

analogous

#3370B8 #3833B8 #7A33B8

triadic

#3833B8 #B83833 #33B838

tetradic

#3833B8 #B83370 #B3B833 #33B87A

square

#3833B8 #B83370 #B3B833 #33B87A

split-complementary

#3833B8 #B87A33 #70B833

monochromatic

#1B1858 #292688 #3833B8 #5C58D1 #8B88DE

Accessibility & contrast

On white

9.00

#3833B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3833B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3833B8

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3833B8	#FFFFFF	#000000	##FFFFFF
##3833B8	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBC

Deuteranopia (green-blind)

#0043B6

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3833b8;
/* rgb */ color: rgb(56, 51, 184);
/* oklch */ color: oklch(42.4% 0.200 275.3);

Tailwind

colors: {
  custom: {
    50: '#816ccf',
    500: '#3833b8',
    950: '#000000',
  },
}

SCSS

$custom: #3833b8;
$custom-light: #816ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3833b8",
  "rgb": {
    "r": 56,
    "g": 51,
    "b": 184
  },
  "hsl": {
    "h": 242.256,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42436,
    "c": 0.20028,
    "h": 275.3
  },
  "luminance": 0.06669
}

Semantic roles & 50–950 ramp

primary

#3833B8

secondary

#C5C87F

accent

#E048DA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3833B8

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

Preview Lab → · Contrast checker → · Palette generator →