#407BD9#407BD9

#407BD9 is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.1% C 0.157 H 259.4°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#407BD9
RGB	rgb(64, 123, 217)
HSL	hsl(217, 67%, 55%)
HSV	hsv(217, 71%, 85%)
CMYK	cmyk(70.5%, 43.3%, 0%, 14.9%)
CIE-LAB	lab(52.13, 11.99, -53.82)
CIE-LCH	lch(52.13, 55.14, 282.56°)
OKLab	oklab(59.1% -0.0289 -0.1539)
OKLCH	oklch(59.1% 0.157 259.4)
XYZ	xyz(21.7172, 20.2634, 68.3989)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407BD9 #D99E40

analogous

#40C7D9 #407BD9 #5240D9

triadic

#407BD9 #D9407B #7BD940

tetradic

#407BD9 #D940C7 #D99E40 #40D952

square

#407BD9 #D940C7 #D99E40 #40D952

split-complementary

#407BD9 #D95240 #C7D940

monochromatic

#1A4384 #245DB7 #407BD9 #739EE3 #A6C2ED

Accessibility & contrast

On white

4.16

#407BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#407BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407BD9

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407BD9	#FFFFFF	#000000	##000000
##407BD9	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D84DD

Deuteranopia (green-blind)

#3176D7

Tritanopia (blue-blind)

#00919F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #407bd9;
/* rgb */ color: rgb(64, 123, 217);
/* oklch */ color: oklch(59.1% 0.157 259.4);

Tailwind

colors: {
  custom: {
    50: '#86a0e5',
    500: '#407bd9',
    950: '#000000',
  },
}

SCSS

$custom: #407bd9;
$custom-light: #86a0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#407bd9",
  "rgb": {
    "r": 64,
    "g": 123,
    "b": 217
  },
  "hsl": {
    "h": 216.863,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59099,
    "c": 0.1566,
    "h": 259.4
  },
  "luminance": 0.20266
}

Semantic roles & 50–950 ramp

primary

#407BD9

secondary

#DAC29A

accent

#A83EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #407BD9

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

Preview Lab → · Contrast checker → · Palette generator →