#4370E6#4370E6

#4370E6 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.8% C 0.186 H 265.3°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#4370E6
RGBrgb(67, 112, 230)
HSLhsl(223, 77%, 58%)
HSVhsv(223, 71%, 90%)
CMYKcmyk(70.9%, 51.3%, 0%, 9.8%)
CIE-LABlab(50.09, 23.92, -64.42)
CIE-LCHlch(50.09, 68.72, 290.37°)
OKLaboklab(57.83% -0.0153 -0.1852)
OKLCHoklch(57.83% 0.186 265.3)
XYZxyz(22.3868, 18.4925, 77.2371)
Luminance0.1850 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4370E6 #E6B943
analogous
#43C1E6 #4370E6 #6743E6
triadic
#4370E6 #E64370 #70E643
tetradic
#4370E6 #E643C1 #E6B943 #43E667
square
#4370E6 #E643C1 #E6B943 #43E667
split-complementary
#4370E6 #E66743 #C1E643
monochromatic
#14399A #1C4DD0 #4370E6 #7999ED #AFC2F4

Accessibility & contrast

On white

4.47
#4370E6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.70
#4370E6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4370E6
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4370E6#FFFFFF#000000##000000
##4370E61.004.474.704.70
#FFFFFF4.471.0021.0021.00
#0000004.7021.001.001.00
##0000004.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#237FEA
Deuteranopia (green-blind)
#0070E4
Tritanopia (blue-blind)
#008CA0
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #4370e6;
/* rgb */ color: rgb(67, 112, 230);
/* oklch */ color: oklch(57.8% 0.186 265.3);
Tailwind
colors: {
  custom: {
    50: '#8b98ef',
    500: '#4370e6',
    950: '#000000',
  },
}
SCSS
$custom: #4370e6;
$custom-light: #8b98ef;
$custom-dark: #000000;
JSON
{
  "hex": "#4370e6",
  "rgb": {
    "r": 67,
    "g": 112,
    "b": 230
  },
  "hsl": {
    "h": 223.436,
    "s": 76.526,
    "l": 58.235
  },
  "oklch": {
    "l": 0.57826,
    "c": 0.18587,
    "h": 265.3
  },
  "luminance": 0.18495
}

Semantic roles & 50–950 ramp

primary
#4370E6
secondary
#E3D1A2
accent
#BF35F3
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0D0D16
muted
#7E7E84

Preview Lab

Preview with #4370E6

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

Preview Lab → · Contrast checker → · Palette generator →

#4370E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva