#405AB2#405AB2

#405AB2 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.5% C 0.143 H 268.4°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#405AB2
RGB	rgb(64, 90, 178)
HSL	hsl(226, 47%, 47%)
HSV	hsv(226, 64%, 70%)
CMYK	cmyk(64%, 49.4%, 0%, 30.2%)
CIE-LAB	lab(40.60, 18.86, -49.86)
CIE-LCH	lch(40.60, 53.31, 290.72°)
OKLab	oklab(49.48% -0.004 -0.1428)
OKLCH	oklch(49.48% 0.143 268.4)
XYZ	xyz(13.8037, 11.6154, 43.6254)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AB2 #B29840

analogous

#4093B2 #405AB2 #5F40B2

triadic

#405AB2 #B2405A #5AB240

tetradic

#405AB2 #B24093 #B29840 #40B25F

square

#405AB2 #B24093 #B29840 #40B25F

split-complementary

#405AB2 #B25F40 #93B240

monochromatic

#202C58 #304385 #405AB2 #677DC8 #94A4D8

Accessibility & contrast

On white

6.32

#405AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#405AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AB2

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AB2	#FFFFFF	#000000	##FFFFFF
##405AB2	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B65B5

Deuteranopia (green-blind)

#105BB0

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #405ab2;
/* rgb */ color: rgb(64, 90, 178);
/* oklch */ color: oklch(49.5% 0.143 268.4);

Tailwind

colors: {
  custom: {
    50: '#8088ca',
    500: '#405ab2',
    950: '#000000',
  },
}

SCSS

$custom: #405ab2;
$custom-light: #8088ca;
$custom-dark: #000000;

JSON

{
  "hex": "#405ab2",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 178
  },
  "hsl": {
    "h": 226.316,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49479,
    "c": 0.14283,
    "h": 268.4
  },
  "luminance": 0.11617
}

Semantic roles & 50–950 ramp

primary

#405AB2

secondary

#C4B78A

accent

#B851D7

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405AB2

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

Preview Lab → · Contrast checker → · Palette generator →