#407BD1#407BD1

#407BD1 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.6% C 0.146 H 257.9°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#407BD1
RGB	rgb(64, 123, 209)
HSL	hsl(216, 61%, 54%)
HSV	hsv(216, 69%, 82%)
CMYK	cmyk(69.4%, 41.1%, 0%, 18%)
CIE-LAB	lab(51.68, 9.13, -50.02)
CIE-LCH	lch(51.68, 50.85, 280.34°)
OKLab	oklab(58.6% -0.0305 -0.1428)
OKLCH	oklch(58.6% 0.146 257.9)
XYZ	xyz(20.7018, 19.8572, 63.0510)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407BD1 #D19640

analogous

#40C3D1 #407BD1 #4D40D1

triadic

#407BD1 #D1407B #7BD140

tetradic

#407BD1 #D140C3 #D19640 #40D14D

square

#407BD1 #D140C3 #D19640 #40D14D

split-complementary

#407BD1 #D14D40 #C3D140

monochromatic

#1D4379 #295EAB #407BD1 #719DDD #A3BFE9

Accessibility & contrast

On white

4.22

#407BD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#407BD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407BD1

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407BD1	#FFFFFF	#000000	##000000
##407BD1	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5382D4

Deuteranopia (green-blind)

#3B75CF

Tritanopia (blue-blind)

#008F9C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #407bd1;
/* rgb */ color: rgb(64, 123, 209);
/* oklch */ color: oklch(58.6% 0.146 257.9);

Tailwind

colors: {
  custom: {
    50: '#85a0df',
    500: '#407bd1',
    950: '#000000',
  },
}

SCSS

$custom: #407bd1;
$custom-light: #85a0df;
$custom-dark: #000000;

JSON

{
  "hex": "#407bd1",
  "rgb": {
    "r": 64,
    "g": 123,
    "b": 209
  },
  "hsl": {
    "h": 215.586,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58596,
    "c": 0.14598,
    "h": 257.9
  },
  "luminance": 0.19859
}

Semantic roles & 50–950 ramp

primary

#407BD1

secondary

#D5BC97

accent

#A344E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #407BD1

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

Preview Lab → · Contrast checker → · Palette generator →