#4133BF#4133BF

#4133BF is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.8% C 0.207 H 278.0°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX#4133BF
RGBrgb(65, 51, 191)
HSLhsl(246, 58%, 47%)
HSVhsv(246, 73%, 75%)
CMYKcmyk(66%, 73.3%, 0%, 25.1%)
CIE-LABlab(32.37, 47.54, -70.90)
CIE-LCHlch(32.37, 85.37, 303.84°)
OKLaboklab(43.76% 0.0288 -0.2048)
OKLCHoklch(43.76% 0.207 278)
XYZxyz(12.7647, 7.2520, 50.0072)
Luminance0.0725 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4133BF #B1BF33
analogous
#336BBF #4133BF #8733BF
triadic
#4133BF #BF4133 #33BF41
tetradic
#4133BF #BF336B #B1BF33 #33BF87
square
#4133BF #BF336B #B1BF33 #33BF87
split-complementary
#4133BF #BF8733 #6BBF33
monochromatic
#20195E #31268F #4133BF #685CD3 #958CE0

Accessibility & contrast

On white

8.57
#4133BF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#4133BF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133BF
8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4133BF#FFFFFF#000000##FFFFFF
##4133BF1.008.572.458.57
#FFFFFF8.571.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052C3
Deuteranopia (green-blind)
#0046BC
Tritanopia (blue-blind)
#005B76
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #4133bf;
/* rgb */ color: rgb(65, 51, 191);
/* oklch */ color: oklch(43.8% 0.207 278.0);
Tailwind
colors: {
  custom: {
    50: '#866dd4',
    500: '#4133bf',
    950: '#000000',
  },
}
SCSS
$custom: #4133bf;
$custom-light: #866dd4;
$custom-dark: #000000;
JSON
{
  "hex": "#4133bf",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 191
  },
  "hsl": {
    "h": 246,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43759,
    "c": 0.20678,
    "h": 278
  },
  "luminance": 0.07253
}

Semantic roles & 50–950 ramp

primary
#4133BF
secondary
#C3CB83
accent
#E147D2
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0D0714
muted
#7D7A83

Preview Lab

Preview with #4133BF

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

Preview Lab → · Contrast checker → · Palette generator →

#4133BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva