#4178D7#4178D7

#4178D7 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.4% C 0.157 H 260.5°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#4178D7
RGBrgb(65, 120, 215)
HSLhsl(218, 65%, 55%)
HSVhsv(218, 70%, 84%)
CMYKcmyk(69.8%, 44.2%, 0%, 15.7%)
CIE-LABlab(51.22, 13.28, -54.14)
CIE-LCHlch(51.22, 55.75, 283.78°)
OKLaboklab(58.37% -0.0258 -0.1549)
OKLCHoklch(58.37% 0.157 260.5)
XYZxyz(21.1578, 19.4608, 66.9181)
Luminance0.1946 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4178D7 #D7A041
analogous
#41C3D7 #4178D7 #5541D7
triadic
#4178D7 #D74178 #78D741
tetradic
#4178D7 #D741C3 #D7A041 #41D755
square
#4178D7 #D741C3 #D7A041 #41D755
split-complementary
#4178D7 #D75541 #C3D741
monochromatic
#1B4182 #265AB5 #4178D7 #749CE2 #A6C0EC

Accessibility & contrast

On white

4.29
#4178D7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.89
#4178D7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4178D7
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4178D7#FFFFFF#000000##000000
##4178D71.004.294.894.89
#FFFFFF4.291.0021.0021.00
#0000004.8921.001.001.00
##0000004.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#4981DB
Deuteranopia (green-blind)
#2D74D5
Tritanopia (blue-blind)
#008E9D
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #4178d7;
/* rgb */ color: rgb(65, 120, 215);
/* oklch */ color: oklch(58.4% 0.157 260.5);
Tailwind
colors: {
  custom: {
    50: '#879ee4',
    500: '#4178d7',
    950: '#000000',
  },
}
SCSS
$custom: #4178d7;
$custom-light: #879ee4;
$custom-dark: #000000;
JSON
{
  "hex": "#4178d7",
  "rgb": {
    "r": 65,
    "g": 120,
    "b": 215
  },
  "hsl": {
    "h": 218,
    "s": 65.217,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58369,
    "c": 0.15704,
    "h": 260.5
  },
  "luminance": 0.19463
}

Semantic roles & 50–950 ramp

primary
#4178D7
secondary
#D9C29A
accent
#AA40E8
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0D0E15
muted
#7D7E84

Preview Lab

Preview with #4178D7

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

Preview Lab → · Contrast checker → · Palette generator →

#4178D7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva