#405ABB#405ABB

#405ABB is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.1% C 0.155 H 268.9°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#405ABB
RGB	rgb(64, 90, 187)
HSL	hsl(227, 49%, 49%)
HSV	hsv(227, 66%, 73%)
CMYK	cmyk(65.8%, 51.9%, 0%, 26.7%)
CIE-LAB	lab(41.20, 22.07, -54.17)
CIE-LCH	lch(41.20, 58.49, 292.17°)
OKLab	oklab(50.13% -0.003 -0.1554)
OKLCH	oklch(50.13% 0.155 268.9)
XYZ	xyz(14.7371, 11.9888, 48.5415)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ABB #BBA140

analogous

#4098BB #405ABB #6440BB

triadic

#405ABB #BB405A #5ABB40

tetradic

#405ABB #BB4098 #BBA140 #40BB64

square

#405ABB #BB4098 #BBA140 #40BB64

split-complementary

#405ABB #BB6440 #98BB40

monochromatic

#212E60 #30448D #405ABB #6C80CD #99A7DC

Accessibility & contrast

On white

6.18

#405ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#405ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ABB

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ABB	#FFFFFF	#000000	##FFFFFF
##405ABB	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F67BE

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #405abb;
/* rgb */ color: rgb(64, 90, 187);
/* oklch */ color: oklch(50.1% 0.155 268.9);

Tailwind

colors: {
  custom: {
    50: '#8288d0',
    500: '#405abb',
    950: '#000000',
  },
}

SCSS

$custom: #405abb;
$custom-light: #8288d0;
$custom-dark: #000000;

JSON

{
  "hex": "#405abb",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 187
  },
  "hsl": {
    "h": 227.317,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.50126,
    "c": 0.15548,
    "h": 268.9
  },
  "luminance": 0.1199
}

Semantic roles & 50–950 ramp

primary

#405ABB

secondary

#C8BC8F

accent

#BC4FD9

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405ABB

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

Preview Lab → · Contrast checker → · Palette generator →