#405AAF#405AAF

#405AAF is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.139 H 268.2°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#405AAF
RGB	rgb(64, 90, 175)
HSL	hsl(226, 46%, 47%)
HSV	hsv(226, 63%, 69%)
CMYK	cmyk(63.4%, 48.6%, 0%, 31.4%)
CIE-LAB	lab(40.40, 17.79, -48.41)
CIE-LCH	lch(40.40, 51.57, 290.18°)
OKLab	oklab(49.27% -0.0043 -0.1385)
OKLCH	oklch(49.27% 0.139 268.2)
XYZ	xyz(13.5057, 11.4963, 42.0564)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AAF #AF9540

analogous

#4092AF #405AAF #5E40AF

triadic

#405AAF #AF405A #5AAF40

tetradic

#405AAF #AF4092 #AF9540 #40AF5E

square

#405AAF #AF4092 #AF9540 #40AF5E

split-complementary

#405AAF #AF5E40 #92AF40

monochromatic

#1F2C55 #304382 #405AAF #657CC7 #92A2D7

Accessibility & contrast

On white

6.36

#405AAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#405AAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AAF

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AAF	#FFFFFF	#000000	##FFFFFF
##405AAF	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E65B2

Deuteranopia (green-blind)

#185BAD

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405aaf;
/* rgb */ color: rgb(64, 90, 175);
/* oklch */ color: oklch(49.3% 0.139 268.2);

Tailwind

colors: {
  custom: {
    50: '#8088c7',
    500: '#405aaf',
    950: '#000000',
  },
}

SCSS

$custom: #405aaf;
$custom-light: #8088c7;
$custom-dark: #000000;

JSON

{
  "hex": "#405aaf",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 175
  },
  "hsl": {
    "h": 225.946,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49269,
    "c": 0.13857,
    "h": 268.2
  },
  "luminance": 0.11497
}

Semantic roles & 50–950 ramp

primary

#405AAF

secondary

#C3B588

accent

#B752D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405AAF

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

Preview Lab → · Contrast checker → · Palette generator →