#405ABF#405ABF

#405ABF is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.4% C 0.161 H 269.0°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#405ABF
RGB	rgb(64, 90, 191)
HSL	hsl(228, 50%, 50%)
HSV	hsv(228, 66%, 75%)
CMYK	cmyk(66.5%, 52.9%, 0%, 25.1%)
CIE-LAB	lab(41.47, 23.50, -56.06)
CIE-LCH	lch(41.47, 60.78, 292.74°)
OKLab	oklab(50.42% -0.0027 -0.161)
OKLCH	oklch(50.42% 0.161 269)
XYZ	xyz(15.1713, 12.1625, 50.8282)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ABF #BFA540

analogous

#4099BF #405ABF #6640BF

triadic

#405ABF #BF405A #5ABF40

tetradic

#405ABF #BF4099 #BFA540 #40BF66

square

#405ABF #BF4099 #BFA540 #40BF66

split-complementary

#405ABF #BF6640 #99BF40

monochromatic

#212F63 #314491 #405ABF #6E82CE #9CA9DE

Accessibility & contrast

On white

6.12

#405ABF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#405ABF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ABF

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ABF	#FFFFFF	#000000	##FFFFFF
##405ABF	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1768C3

Deuteranopia (green-blind)

#005CBD

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405abf;
/* rgb */ color: rgb(64, 90, 191);
/* oklch */ color: oklch(50.4% 0.161 269.0);

Tailwind

colors: {
  custom: {
    50: '#8388d3',
    500: '#405abf',
    950: '#000000',
  },
}

SCSS

$custom: #405abf;
$custom-light: #8388d3;
$custom-dark: #000000;

JSON

{
  "hex": "#405abf",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 191
  },
  "hsl": {
    "h": 227.717,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.50421,
    "c": 0.16103,
    "h": 269
  },
  "luminance": 0.12164
}

Semantic roles & 50–950 ramp

primary

#405ABF

secondary

#CABE91

accent

#BD4ED9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405ABF

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

Preview Lab → · Contrast checker → · Palette generator →