#405AC3#405AC3

#405AC3 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.7% C 0.167 H 269.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#405AC3
RGB	rgb(64, 90, 195)
HSL	hsl(228, 52%, 51%)
HSV	hsv(228, 67%, 76%)
CMYK	cmyk(67.2%, 53.8%, 0%, 23.5%)
CIE-LAB	lab(41.75, 24.92, -57.93)
CIE-LCH	lch(41.75, 63.06, 293.28°)
OKLab	oklab(50.72% -0.0024 -0.1665)
OKLCH	oklch(50.72% 0.167 269.2)
XYZ	xyz(15.6175, 12.3410, 53.1782)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AC3 #C3A940

analogous

#409BC3 #405AC3 #6840C3

triadic

#405AC3 #C3405A #5AC340

tetradic

#405AC3 #C3409B #C3A940 #40C368

square

#405AC3 #C3409B #C3A940 #40C368

split-complementary

#405AC3 #C36840 #9BC340

monochromatic

#212F68 #2F4497 #405AC3 #6F82D2 #9DAAE0

Accessibility & contrast

On white

6.05

#405AC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#405AC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AC3

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AC3	#FFFFFF	#000000	##FFFFFF
##405AC3	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C69C7

Deuteranopia (green-blind)

#005DC1

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405ac3;
/* rgb */ color: rgb(64, 90, 195);
/* oklch */ color: oklch(50.7% 0.167 269.2);

Tailwind

colors: {
  custom: {
    50: '#8488d6',
    500: '#405ac3',
    950: '#000000',
  },
}

SCSS

$custom: #405ac3;
$custom-light: #8488d6;
$custom-dark: #000000;

JSON

{
  "hex": "#405ac3",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 195
  },
  "hsl": {
    "h": 228.092,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50721,
    "c": 0.16654,
    "h": 269.2
  },
  "luminance": 0.12342
}

Semantic roles & 50–950 ramp

primary

#405AC3

secondary

#CCC192

accent

#BF4CDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405AC3

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

Preview Lab → · Contrast checker → · Palette generator →