#405CDA#405CDA

#405CDA is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.9% C 0.195 H 269.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#405CDA
RGB	rgb(64, 92, 218)
HSL	hsl(229, 68%, 55%)
HSV	hsv(229, 71%, 85%)
CMYK	cmyk(70.6%, 57.8%, 0%, 14.5%)
CIE-LAB	lab(43.95, 31.84, -67.59)
CIE-LCH	lch(43.95, 74.71, 295.22°)
OKLab	oklab(52.9% -0.003 -0.1949)
OKLCH	oklch(52.9% 0.195 269.1)
XYZ	xyz(18.5920, 13.8043, 68.0008)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CDA #DABE40

analogous

#40A9DA #405CDA #7140DA

triadic

#405CDA #DA405C #5CDA40

tetradic

#405CDA #DA40A9 #DABE40 #40DA71

square

#405CDA #DA40A9 #DABE40 #40DA71

split-complementary

#405CDA #DA7140 #A9DA40

monochromatic

#1A2D86 #243FB9 #405CDA #7388E4 #A7B4EE

Accessibility & contrast

On white

5.58

#405CDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#405CDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CDA

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CDA	#FFFFFF	#000000	##FFFFFF
##405CDA	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDE

Deuteranopia (green-blind)

#0061D8

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #405cda;
/* rgb */ color: rgb(64, 92, 218);
/* oklch */ color: oklch(52.9% 0.195 269.1);

Tailwind

colors: {
  custom: {
    50: '#8889e6',
    500: '#405cda',
    950: '#000000',
  },
}

SCSS

$custom: #405cda;
$custom-light: #8889e6;
$custom-dark: #000000;

JSON

{
  "hex": "#405cda",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 218
  },
  "hsl": {
    "h": 229.091,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.529,
    "c": 0.19493,
    "h": 269.1
  },
  "luminance": 0.13806
}

Semantic roles & 50–950 ramp

primary

#405CDA

secondary

#DBCF9B

accent

#CB3DEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #405CDA

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

Preview Lab → · Contrast checker → · Palette generator →