#407DD3#407DD3

#407DD3 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.2% C 0.146 H 257.4°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#407DD3
RGB	rgb(64, 125, 211)
HSL	hsl(215, 63%, 54%)
HSV	hsv(215, 70%, 83%)
CMYK	cmyk(69.7%, 40.8%, 0%, 17.3%)
CIE-LAB	lab(52.35, 8.62, -50.08)
CIE-LCH	lch(52.35, 50.81, 279.76°)
OKLab	oklab(59.16% -0.0319 -0.1429)
OKLCH	oklch(59.16% 0.146 257.4)
XYZ	xyz(21.2016, 20.4581, 64.4468)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407DD3 #D39640

analogous

#40C7D3 #407DD3 #4D40D3

triadic

#407DD3 #D3407D #7DD340

tetradic

#407DD3 #D340C7 #D39640 #40D34D

square

#407DD3 #D340C7 #D39640 #40D34D

split-complementary

#407DD3 #D34D40 #C7D340

monochromatic

#1D447C #2860AE #407DD3 #729FDE #A3C1EA

Accessibility & contrast

On white

4.12

#407DD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#407DD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407DD3

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407DD3	#FFFFFF	#000000	##000000
##407DD3	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5584D6

Deuteranopia (green-blind)

#3D77D1

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #407dd3;
/* rgb */ color: rgb(64, 125, 211);
/* oklch */ color: oklch(59.2% 0.146 257.4);

Tailwind

colors: {
  custom: {
    50: '#85a2e1',
    500: '#407dd3',
    950: '#000000',
  },
}

SCSS

$custom: #407dd3;
$custom-light: #85a2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#407dd3",
  "rgb": {
    "r": 64,
    "g": 125,
    "b": 211
  },
  "hsl": {
    "h": 215.102,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59157,
    "c": 0.14641,
    "h": 257.4
  },
  "luminance": 0.2046
}

Semantic roles & 50–950 ramp

primary

#407DD3

secondary

#D7BD98

accent

#A242E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #407DD3

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

Preview Lab → · Contrast checker → · Palette generator →