#3933B8#3933B8

#3933B8 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.5% C 0.200 H 275.7°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX#3933B8
RGBrgb(57, 51, 184)
HSLhsl(243, 57%, 46%)
HSVhsv(243, 72%, 72%)
CMYKcmyk(69%, 72.3%, 0%, 27.8%)
CIE-LABlab(31.11, 44.40, -68.88)
CIE-LCHlch(31.11, 81.95, 302.80°)
OKLaboklab(42.5% 0.0198 -0.1991)
OKLCHoklch(42.5% 0.2 275.7)
XYZxyz(11.5201, 6.6971, 46.0237)
Luminance0.0670 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3933B8 #B2B833
analogous
#336FB8 #3933B8 #7B33B8
triadic
#3933B8 #B83933 #33B839
tetradic
#3933B8 #B8336F #B2B833 #33B87B
square
#3933B8 #B8336F #B2B833 #33B87B
split-complementary
#3933B8 #B87B33 #6FB833
monochromatic
#1B1858 #2A2688 #3933B8 #5D58D1 #8B88DE

Accessibility & contrast

On white

8.98
#3933B8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#3933B8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933B8
8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3933B8#FFFFFF#000000##FFFFFF
##3933B81.008.982.348.98
#FFFFFF8.981.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004FBC
Deuteranopia (green-blind)
#0043B6
Tritanopia (blue-blind)
#005872
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #3933b8;
/* rgb */ color: rgb(57, 51, 184);
/* oklch */ color: oklch(42.5% 0.200 275.7);
Tailwind
colors: {
  custom: {
    50: '#816ccf',
    500: '#3933b8',
    950: '#000000',
  },
}
SCSS
$custom: #3933b8;
$custom-light: #816ccf;
$custom-dark: #000000;
JSON
{
  "hex": "#3933b8",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 184
  },
  "hsl": {
    "h": 242.707,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42503,
    "c": 0.20004,
    "h": 275.7
  },
  "luminance": 0.06698
}

Semantic roles & 50–950 ramp

primary
#3933B8
secondary
#C4C87F
accent
#E048D9
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0714
muted
#7D7A82

Preview Lab

Preview with #3933B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3933B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva