#3438BC#3438BC

#3438BC is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.3% C 0.201 H 272.9°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX#3438BC
RGBrgb(52, 56, 188)
HSLhsl(238, 57%, 47%)
HSVhsv(238, 72%, 74%)
CMYKcmyk(72.3%, 70.2%, 0%, 26.3%)
CIE-LABlab(32.23, 42.27, -69.40)
CIE-LCHlch(32.23, 81.26, 301.34°)
OKLaboklab(43.34% 0.0103 -0.2007)
OKLCHoklch(43.34% 0.201 272.9)
XYZxyz(11.9044, 7.1881, 48.3273)
Luminance0.0719 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3438BC #BCB834
analogous
#347CBC #3438BC #7434BC
triadic
#3438BC #BC3438 #38BC34
tetradic
#3438BC #BC347C #BCB834 #34BC74
square
#3438BC #BC347C #BCB834 #34BC74
split-complementary
#3438BC #BC7434 #7CBC34
monochromatic
#191B5C #272A8C #3438BC #5B5FD2 #8B8EDF

Accessibility & contrast

On white

8.61
#3438BC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#3438BC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3438BC
8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3438BC#FFFFFF#000000##FFFFFF
##3438BC1.008.612.448.61
#FFFFFF8.611.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052C0
Deuteranopia (green-blind)
#0045BA
Tritanopia (blue-blind)
#005D76
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #3438bc;
/* rgb */ color: rgb(52, 56, 188);
/* oklch */ color: oklch(43.3% 0.201 272.9);
Tailwind
colors: {
  custom: {
    50: '#806fd1',
    500: '#3438bc',
    950: '#000000',
  },
}
SCSS
$custom: #3438bc;
$custom-light: #806fd1;
$custom-dark: #000000;
JSON
{
  "hex": "#3438bc",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 188
  },
  "hsl": {
    "h": 238.235,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43341,
    "c": 0.20099,
    "h": 272.9
  },
  "luminance": 0.07189
}

Semantic roles & 50–950 ramp

primary
#3438BC
secondary
#C9C783
accent
#DB48E0
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3438BC

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

Preview Lab → · Contrast checker → · Palette generator →

#3438BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva