#407CD3#407CD3

#407CD3 is a mid, vivid blue. Relative luminance 0.202; OKLCH L 58.9% C 0.148 H 257.9°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#407CD3
RGB	rgb(64, 124, 211)
HSL	hsl(216, 63%, 54%)
HSV	hsv(216, 70%, 83%)
CMYK	cmyk(69.7%, 41.2%, 0%, 17.3%)
CIE-LAB	lab(52.07, 9.23, -50.53)
CIE-LCH	lch(52.07, 51.36, 280.35°)
OKLab	oklab(58.94% -0.031 -0.1442)
OKLCH	oklch(58.94% 0.148 257.9)
XYZ	xyz(21.0756, 20.2062, 64.4049)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407CD3 #D39740

analogous

#40C6D3 #407CD3 #4E40D3

triadic

#407CD3 #D3407C #7CD340

tetradic

#407CD3 #D340C6 #D39740 #40D34E

square

#407CD3 #D340C6 #D39740 #40D34E

split-complementary

#407CD3 #D34E40 #C6D340

monochromatic

#1D447C #285FAE #407CD3 #729EDE #A3C0EA

Accessibility & contrast

On white

4.17

#407CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#407CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407CD3

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407CD3	#FFFFFF	#000000	##000000
##407CD3	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5384D6

Deuteranopia (green-blind)

#3B76D1

Tritanopia (blue-blind)

#00909D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #407cd3;
/* rgb */ color: rgb(64, 124, 211);
/* oklch */ color: oklch(58.9% 0.148 257.9);

Tailwind

colors: {
  custom: {
    50: '#85a1e1',
    500: '#407cd3',
    950: '#000000',
  },
}

SCSS

$custom: #407cd3;
$custom-light: #85a1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#407cd3",
  "rgb": {
    "r": 64,
    "g": 124,
    "b": 211
  },
  "hsl": {
    "h": 215.51,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58938,
    "c": 0.14752,
    "h": 257.9
  },
  "luminance": 0.20208
}

Semantic roles & 50–950 ramp

primary

#407CD3

secondary

#D7BD98

accent

#A342E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #407CD3

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

Preview Lab → · Contrast checker → · Palette generator →