#405DDA#405DDA

#405DDA is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.1% C 0.194 H 268.9°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#405DDA
RGB	rgb(64, 93, 218)
HSL	hsl(229, 68%, 55%)
HSV	hsv(229, 71%, 85%)
CMYK	cmyk(70.6%, 57.3%, 0%, 14.5%)
CIE-LAB	lab(44.20, 31.21, -67.18)
CIE-LCH	lch(44.20, 74.08, 294.91°)
OKLab	oklab(53.09% -0.0038 -0.1937)
OKLCH	oklch(53.09% 0.194 268.9)
XYZ	xyz(18.6792, 13.9787, 68.0298)
Luminance	0.1398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DDA #DABD40

analogous

#40AADA #405DDA #7040DA

triadic

#405DDA #DA405D #5DDA40

tetradic

#405DDA #DA40AA #DABD40 #40DA70

square

#405DDA #DA40AA #DABD40 #40DA70

split-complementary

#405DDA #DA7040 #AADA40

monochromatic

#1A2E86 #2440B9 #405DDA #7388E4 #A7B4EE

Accessibility & contrast

On white

5.53

#405DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#405DDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DDA

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DDA	#FFFFFF	#000000	##FFFFFF
##405DDA	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DE

Deuteranopia (green-blind)

#0062D8

Tritanopia (blue-blind)

#007C92

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #405dda;
/* rgb */ color: rgb(64, 93, 218);
/* oklch */ color: oklch(53.1% 0.194 268.9);

Tailwind

colors: {
  custom: {
    50: '#888ae6',
    500: '#405dda',
    950: '#000000',
  },
}

SCSS

$custom: #405dda;
$custom-light: #888ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#405dda",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 218
  },
  "hsl": {
    "h": 228.701,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.53087,
    "c": 0.19373,
    "h": 268.9
  },
  "luminance": 0.13981
}

Semantic roles & 50–950 ramp

primary

#405DDA

secondary

#DBCF9B

accent

#CA3DEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #405DDA

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

Preview Lab → · Contrast checker → · Palette generator →