#405FDA#405FDA

#405FDA is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.5% C 0.191 H 268.4°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#405FDA
RGB	rgb(64, 95, 218)
HSL	hsl(228, 68%, 55%)
HSV	hsv(228, 71%, 85%)
CMYK	cmyk(70.6%, 56.4%, 0%, 14.5%)
CIE-LAB	lab(44.71, 29.94, -66.36)
CIE-LCH	lch(44.71, 72.80, 294.29°)
OKLab	oklab(53.47% -0.0053 -0.1912)
OKLCH	oklch(53.47% 0.191 268.4)
XYZ	xyz(18.8571, 14.3344, 68.0891)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FDA #DABB40

analogous

#40ACDA #405FDA #6E40DA

triadic

#405FDA #DA405F #5FDA40

tetradic

#405FDA #DA40AC #DABB40 #40DA6E

square

#405FDA #DA40AC #DABB40 #40DA6E

split-complementary

#405FDA #DA6E40 #ACDA40

monochromatic

#1A3086 #2442B9 #405FDA #738AE4 #A7B5EE

Accessibility & contrast

On white

5.43

#405FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#405FDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FDA

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FDA	#FFFFFF	#000000	##FFFFFF
##405FDA	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DE

Deuteranopia (green-blind)

#0063D8

Tritanopia (blue-blind)

#007D93

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #405fda;
/* rgb */ color: rgb(64, 95, 218);
/* oklch */ color: oklch(53.5% 0.191 268.4);

Tailwind

colors: {
  custom: {
    50: '#888ce6',
    500: '#405fda',
    950: '#000000',
  },
}

SCSS

$custom: #405fda;
$custom-light: #888ce6;
$custom-dark: #000000;

JSON

{
  "hex": "#405fda",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 218
  },
  "hsl": {
    "h": 227.922,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.53466,
    "c": 0.19132,
    "h": 268.4
  },
  "luminance": 0.14336
}

Semantic roles & 50–950 ramp

primary

#405FDA

secondary

#DBCE9B

accent

#C83DEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #405FDA

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

Preview Lab → · Contrast checker → · Palette generator →