#407CD9#407CD9

#407CD9 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.3% C 0.155 H 258.9°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#407CD9
RGB	rgb(64, 124, 217)
HSL	hsl(216, 67%, 55%)
HSV	hsv(216, 71%, 85%)
CMYK	cmyk(70.5%, 42.9%, 0%, 14.9%)
CIE-LAB	lab(52.41, 11.38, -53.37)
CIE-LCH	lch(52.41, 54.57, 282.04°)
OKLab	oklab(59.32% -0.0298 -0.1526)
OKLCH	oklch(59.32% 0.155 258.9)
XYZ	xyz(21.8419, 20.5127, 68.4404)
Luminance	0.2051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407CD9 #D99D40

analogous

#40C8D9 #407CD9 #5140D9

triadic

#407CD9 #D9407C #7CD940

tetradic

#407CD9 #D940C8 #D99D40 #40D951

square

#407CD9 #D940C8 #D99D40 #40D951

split-complementary

#407CD9 #D95140 #C8D940

monochromatic

#1A4484 #245EB7 #407CD9 #739FE3 #A6C2ED

Accessibility & contrast

On white

4.12

#407CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#407CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407CD9

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407CD9	#FFFFFF	#000000	##000000
##407CD9	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F85DD

Deuteranopia (green-blind)

#3476D7

Tritanopia (blue-blind)

#0092A0

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #407cd9;
/* rgb */ color: rgb(64, 124, 217);
/* oklch */ color: oklch(59.3% 0.155 258.9);

Tailwind

colors: {
  custom: {
    50: '#86a1e5',
    500: '#407cd9',
    950: '#000000',
  },
}

SCSS

$custom: #407cd9;
$custom-light: #86a1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#407cd9",
  "rgb": {
    "r": 64,
    "g": 124,
    "b": 217
  },
  "hsl": {
    "h": 216.471,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59315,
    "c": 0.15546,
    "h": 258.9
  },
  "luminance": 0.20515
}

Semantic roles & 50–950 ramp

primary

#407CD9

secondary

#DAC19A

accent

#A63EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #407CD9

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

Preview Lab → · Contrast checker → · Palette generator →