#4129BA#4129BA

#4129BA is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.0% C 0.210 H 279.8°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX#4129BA
RGBrgb(65, 41, 186)
HSLhsl(250, 64%, 45%)
HSVhsv(250, 78%, 73%)
CMYKcmyk(65.1%, 78%, 0%, 27.1%)
CIE-LABlab(30.04, 51.20, -71.79)
CIE-LCHlch(30.04, 88.18, 305.49°)
OKLaboklab(41.97% 0.0359 -0.2073)
OKLCHoklch(41.97% 0.21 279.8)
XYZxyz(11.8330, 6.2539, 47.0284)
Luminance0.0625 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4129BA #A2BA29
analogous
#295ABA #4129BA #8A29BA
triadic
#4129BA #BA4129 #29BA41
tetradic
#4129BA #BA295A #A2BA29 #29BA8A
square
#4129BA #BA295A #A2BA29 #29BA8A
split-complementary
#4129BA #BA8A29 #5ABA29
monochromatic
#1E1356 #2F1E88 #4129BA #6149D7 #8C7BE2

Accessibility & contrast

On white

9.33
#4129BA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.25
#4129BA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4129BA
9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4129BA#FFFFFF#000000##FFFFFF
##4129BA1.009.332.259.33
#FFFFFF9.331.0021.001.00
#0000002.2521.001.0021.00
##FFFFFF9.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004CBE
Deuteranopia (green-blind)
#0041B7
Tritanopia (blue-blind)
#005471
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #4129ba;
/* rgb */ color: rgb(65, 41, 186);
/* oklch */ color: oklch(42.0% 0.210 279.8);
Tailwind
colors: {
  custom: {
    50: '#8667d0',
    500: '#4129ba',
    950: '#000000',
  },
}
SCSS
$custom: #4129ba;
$custom-light: #8667d0;
$custom-dark: #000000;
JSON
{
  "hex": "#4129ba",
  "rgb": {
    "r": 65,
    "g": 41,
    "b": 186
  },
  "hsl": {
    "h": 249.931,
    "s": 63.877,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41969,
    "c": 0.21035,
    "h": 279.8
  },
  "luminance": 0.06255
}

Semantic roles & 50–950 ramp

primary
#4129BA
secondary
#BCCA75
accent
#E741CB
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0D0614
muted
#7D7A83

Preview Lab

Preview with #4129BA

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

Preview Lab → · Contrast checker → · Palette generator →

#4129BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva