#4357BF#4357BF

#4357BF is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.164 H 271.1°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#4357BF
RGBrgb(67, 87, 191)
HSLhsl(230, 49%, 51%)
HSVhsv(230, 65%, 75%)
CMYKcmyk(64.9%, 54.5%, 0%, 25.1%)
CIE-LABlab(40.85, 25.91, -57.06)
CIE-LCHlch(40.85, 62.67, 294.42°)
OKLaboklab(50% 0.0031 -0.1639)
OKLCHoklch(50% 0.164 271.1)
XYZxyz(15.1237, 11.7699, 50.7549)
Luminance0.1177 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4357BF #BFAB43
analogous
#4395BF #4357BF #6D43BF
triadic
#4357BF #BF4357 #57BF43
tetradic
#4357BF #BF4395 #BFAB43 #43BF6D
square
#4357BF #BF4395 #BFAB43 #43BF6D
split-complementary
#4357BF #BF6D43 #95BF43
monochromatic
#222D65 #324293 #4357BF #7180CF #9EA9DE

Accessibility & contrast

On white

6.26
#4357BF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.35
#4357BF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357BF
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4357BF#FFFFFF#000000##FFFFFF
##4357BF1.006.263.356.26
#FFFFFF6.261.0021.001.00
#0000003.3521.001.0021.00
##FFFFFF6.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0766C3
Deuteranopia (green-blind)
#005BBD
Tritanopia (blue-blind)
#007082
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #4357bf;
/* rgb */ color: rgb(67, 87, 191);
/* oklch */ color: oklch(50.0% 0.164 271.1);
Tailwind
colors: {
  custom: {
    50: '#8486d3',
    500: '#4357bf',
    950: '#000000',
  },
}
SCSS
$custom: #4357bf;
$custom-light: #8486d3;
$custom-dark: #000000;
JSON
{
  "hex": "#4357bf",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 230.323,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.49995,
    "c": 0.16397,
    "h": 271.1
  },
  "luminance": 0.11771
}

Semantic roles & 50–950 ramp

primary
#4357BF
secondary
#CAC293
accent
#C34FD9
background
#F8F8FD
surface
#F0EFFA
border
#CBCAD3
text
#0C0B14
muted
#7D7C83

Preview Lab

Preview with #4357BF

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

Preview Lab → · Contrast checker → · Palette generator →

#4357BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva