#405BD4#405BD4

#405BD4 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.2% C 0.188 H 269.3°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#405BD4
RGB	rgb(64, 91, 212)
HSL	hsl(229, 63%, 54%)
HSV	hsv(229, 70%, 83%)
CMYK	cmyk(69.8%, 57.1%, 0%, 16.9%)
CIE-LAB	lab(43.25, 30.34, -65.31)
CIE-LCH	lch(43.25, 72.01, 294.92°)
OKLab	oklab(52.23% -0.0024 -0.1882)
OKLCH	oklch(52.23% 0.188 269.3)
XYZ	xyz(17.7350, 13.3239, 63.9117)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BD4 #D4B940

analogous

#40A5D4 #405BD4 #6F40D4

triadic

#405BD4 #D4405B #5BD440

tetradic

#405BD4 #D440A5 #D4B940 #40D46F

square

#405BD4 #D440A5 #D4B940 #40D46F

split-complementary

#405BD4 #D46F40 #A5D440

monochromatic

#1C2E7D #2740AF #405BD4 #7286DF #A4B1EA

Accessibility & contrast

On white

5.73

#405BD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#405BD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BD4

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BD4	#FFFFFF	#000000	##FFFFFF
##405BD4	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD8

Deuteranopia (green-blind)

#0060D2

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405bd4;
/* rgb */ color: rgb(64, 91, 212);
/* oklch */ color: oklch(52.2% 0.188 269.3);

Tailwind

colors: {
  custom: {
    50: '#8789e2',
    500: '#405bd4',
    950: '#000000',
  },
}

SCSS

$custom: #405bd4;
$custom-light: #8789e2;
$custom-dark: #000000;

JSON

{
  "hex": "#405bd4",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 212
  },
  "hsl": {
    "h": 229.054,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52232,
    "c": 0.18823,
    "h": 269.3
  },
  "luminance": 0.13326
}

Semantic roles & 50–950 ramp

primary

#405BD4

secondary

#D7CC98

accent

#C842E6

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B15

muted

#7E7C84

Preview Lab

Preview with #405BD4

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

Preview Lab → · Contrast checker → · Palette generator →