#4374BA#4374BA

#4374BA is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.8% C 0.122 H 257.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#4374BA
RGBrgb(67, 116, 186)
HSLhsl(215, 47%, 50%)
HSVhsv(215, 64%, 73%)
CMYKcmyk(64%, 37.6%, 0%, 27.1%)
CIE-LABlab(48.55, 5.80, -41.82)
CIE-LCHlch(48.55, 42.23, 277.89°)
OKLaboklab(55.79% -0.0264 -0.1188)
OKLCHoklch(55.79% 0.122 257.5)
XYZxyz(17.4199, 17.2276, 48.8521)
Luminance0.1723 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4374BA #BA8943
analogous
#43B0BA #4374BA #4D43BA
triadic
#4374BA #BA4374 #74BA43
tetradic
#4374BA #BA43B0 #BA8943 #43BA4D
square
#4374BA #BA43B0 #BA8943 #43BA4D
split-complementary
#4374BA #BA4D43 #B0BA43
monochromatic
#233C60 #33588D #4374BA #6F95CB #9CB6DB

Accessibility & contrast

On white

4.72
#4374BA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.45
#4374BA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4374BA
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4374BA#FFFFFF#000000##FFFFFF
##4374BA1.004.724.454.72
#FFFFFF4.721.0021.001.00
#0000004.4521.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5579BD
Deuteranopia (green-blind)
#456EB9
Tritanopia (blue-blind)
#00848E
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #4374ba;
/* rgb */ color: rgb(67, 116, 186);
/* oklch */ color: oklch(55.8% 0.122 257.5);
Tailwind
colors: {
  custom: {
    50: '#829bcf',
    500: '#4374ba',
    950: '#000000',
  },
}
SCSS
$custom: #4374ba;
$custom-light: #829bcf;
$custom-dark: #000000;
JSON
{
  "hex": "#4374ba",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 186
  },
  "hsl": {
    "h": 215.294,
    "s": 47.036,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5579,
    "c": 0.12169,
    "h": 257.5
  },
  "luminance": 0.17229
}

Semantic roles & 50–950 ramp

primary
#4374BA
secondary
#C8B191
accent
#A051D7
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0B0E14
muted
#7C7E82

Preview Lab

Preview with #4374BA

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

Preview Lab → · Contrast checker → · Palette generator →

#4374BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva