#405BD6#405BD6

#405BD6 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.4% C 0.191 H 269.3°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#405BD6
RGB	rgb(64, 91, 214)
HSL	hsl(229, 65%, 55%)
HSV	hsv(229, 70%, 84%)
CMYK	cmyk(70.1%, 57.5%, 0%, 16.1%)
CIE-LAB	lab(43.40, 31.05, -66.21)
CIE-LCH	lch(43.40, 73.13, 295.13°)
OKLab	oklab(52.39% -0.0024 -0.1908)
OKLCH	oklch(52.39% 0.191 269.3)
XYZ	xyz(17.9889, 13.4254, 65.2486)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BD6 #D6BB40

analogous

#40A6D6 #405BD6 #7040D6

triadic

#405BD6 #D6405B #5BD640

tetradic

#405BD6 #D640A6 #D6BB40 #40D670

square

#405BD6 #D640A6 #D6BB40 #40D670

split-complementary

#405BD6 #D67040 #A6D640

monochromatic

#1B2E80 #2640B2 #405BD6 #7286E1 #A5B2EC

Accessibility & contrast

On white

5.70

#405BD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#405BD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BD6

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BD6	#FFFFFF	#000000	##FFFFFF
##405BD6	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDA

Deuteranopia (green-blind)

#0060D4

Tritanopia (blue-blind)

#007990

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #405bd6;
/* rgb */ color: rgb(64, 91, 214);
/* oklch */ color: oklch(52.4% 0.191 269.3);

Tailwind

colors: {
  custom: {
    50: '#8789e4',
    500: '#405bd6',
    950: '#000000',
  },
}

SCSS

$custom: #405bd6;
$custom-light: #8789e4;
$custom-dark: #000000;

JSON

{
  "hex": "#405bd6",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 214
  },
  "hsl": {
    "h": 229.2,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.52392,
    "c": 0.19086,
    "h": 269.3
  },
  "luminance": 0.13427
}

Semantic roles & 50–950 ramp

primary

#405BD6

secondary

#D9CD99

accent

#C940E8

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #405BD6

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

Preview Lab → · Contrast checker → · Palette generator →