#407DB0#407DB0

#407DB0 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.2% C 0.101 H 246.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#407DB0
RGBrgb(64, 125, 176)
HSLhsl(207, 47%, 47%)
HSVhsv(207, 64%, 69%)
CMYKcmyk(63.6%, 29%, 0%, 31%)
CIE-LABlab(50.56, -3.63, -32.88)
CIE-LCHlch(50.56, 33.08, 263.70°)
OKLaboklab(57.17% -0.0411 -0.0927)
OKLCHoklch(57.17% 0.101 246.1)
XYZxyz(17.2815, 18.8901, 43.8013)
Luminance0.1889 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#407DB0 #B07340
analogous
#40B0AB #407DB0 #4045B0
triadic
#407DB0 #B0407D #7DB040
tetradic
#407DB0 #AB40B0 #B07340 #45B040
square
#407DB0 #AB40B0 #B07340 #45B040
split-complementary
#407DB0 #B04045 #B0AB40
monochromatic
#1F3D56 #305D83 #407DB0 #669BC7 #93B8D8

Accessibility & contrast

On white

4.39
#407DB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.78
#407DB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407DB0
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##407DB0#FFFFFF#000000##000000
##407DB01.004.394.784.78
#FFFFFF4.391.0021.0021.00
#0000004.7821.001.001.00
##0000004.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#677EB2
Deuteranopia (green-blind)
#5773AF
Tritanopia (blue-blind)
#00898F
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #407db0;
/* rgb */ color: rgb(64, 125, 176);
/* oklch */ color: oklch(57.2% 0.101 246.1);
Tailwind
colors: {
  custom: {
    50: '#80a2c8',
    500: '#407db0',
    950: '#000000',
  },
}
SCSS
$custom: #407db0;
$custom-light: #80a2c8;
$custom-dark: #000000;
JSON
{
  "hex": "#407db0",
  "rgb": {
    "r": 64,
    "g": 125,
    "b": 176
  },
  "hsl": {
    "h": 207.321,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57169,
    "c": 0.10141,
    "h": 246.1
  },
  "luminance": 0.18892
}

Semantic roles & 50–950 ramp

primary
#407DB0
secondary
#C3A389
accent
#8E51D6
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82

Preview Lab

Preview with #407DB0

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

Preview Lab → · Contrast checker → · Palette generator →

#407DB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva