#3833B7#3833B7

#3833B7 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.3% C 0.199 H 275.4°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#3833B7
RGB	rgb(56, 51, 183)
HSL	hsl(242, 56%, 46%)
HSV	hsv(242, 72%, 72%)
CMYK	cmyk(69.4%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(30.94, 43.96, -68.56)
CIE-LCH	lch(30.94, 81.44, 302.66°)
OKLab	oklab(42.34% 0.0187 -0.1982)
OKLCH	oklch(42.34% 0.199 275.4)
XYZ	xyz(11.3591, 6.6262, 45.4709)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.67

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3833B7 #B2B733

analogous

#3370B7 #3833B7 #7A33B7

triadic

#3833B7 #B73833 #33B738

tetradic

#3833B7 #B73370 #B2B733 #33B77A

square

#3833B7 #B73370 #B2B733 #33B77A

split-complementary

#3833B7 #B77A33 #70B733

monochromatic

#1B1857 #292687 #3833B7 #5C57D0 #8A87DE

Accessibility & contrast

On white

9.03

#3833B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3833B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3833B7

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3833B7	#FFFFFF	#000000	##FFFFFF
##3833B7	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBB

Deuteranopia (green-blind)

#0043B5

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3833b7;
/* rgb */ color: rgb(56, 51, 183);
/* oklch */ color: oklch(42.3% 0.199 275.4);

Tailwind

colors: {
  custom: {
    50: '#816cce',
    500: '#3833b7',
    950: '#000000',
  },
}

SCSS

$custom: #3833b7;
$custom-light: #816cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3833b7",
  "rgb": {
    "r": 56,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 242.273,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42336,
    "c": 0.19904,
    "h": 275.4
  },
  "luminance": 0.06627
}

Semantic roles & 50–950 ramp

primary

#3833B7

secondary

#C5C77F

accent

#E048DA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3833B7

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

Preview Lab → · Contrast checker → · Palette generator →