#405AB7#405AB7

#405AB7 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.150 H 268.7°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#405AB7
RGB	rgb(64, 90, 183)
HSL	hsl(227, 48%, 48%)
HSV	hsv(227, 65%, 72%)
CMYK	cmyk(65%, 50.8%, 0%, 28.2%)
CIE-LAB	lab(40.93, 20.64, -52.26)
CIE-LCH	lch(40.93, 56.19, 291.55°)
OKLab	oklab(49.84% -0.0034 -0.1498)
OKLCH	oklch(49.84% 0.15 268.7)
XYZ	xyz(14.3148, 11.8199, 46.3177)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AB7 #B79D40

analogous

#4095B7 #405AB7 #6140B7

triadic

#405AB7 #B7405A #5AB740

tetradic

#405AB7 #B74095 #B79D40 #40B761

square

#405AB7 #B74095 #B79D40 #40B761

split-complementary

#405AB7 #B76140 #95B740

monochromatic

#202D5C #30448A #405AB7 #697FCB #97A6DB

Accessibility & contrast

On white

6.24

#405AB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#405AB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AB7

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AB7	#FFFFFF	#000000	##FFFFFF
##405AB7	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2566BA

Deuteranopia (green-blind)

#005BB5

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #405ab7;
/* rgb */ color: rgb(64, 90, 183);
/* oklch */ color: oklch(49.8% 0.150 268.7);

Tailwind

colors: {
  custom: {
    50: '#8188cd',
    500: '#405ab7',
    950: '#000000',
  },
}

SCSS

$custom: #405ab7;
$custom-light: #8188cd;
$custom-dark: #000000;

JSON

{
  "hex": "#405ab7",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 183
  },
  "hsl": {
    "h": 226.891,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49836,
    "c": 0.14989,
    "h": 268.7
  },
  "luminance": 0.11821
}

Semantic roles & 50–950 ramp

primary

#405AB7

secondary

#C6BA8D

accent

#BA50D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405AB7

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

Preview Lab → · Contrast checker → · Palette generator →