#405CB2#405CB2

#405CB2 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.9% C 0.140 H 267.6°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#405CB2
RGB	rgb(64, 92, 178)
HSL	hsl(225, 47%, 47%)
HSV	hsv(225, 64%, 70%)
CMYK	cmyk(64%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(41.15, 17.57, -48.98)
CIE-LCH	lch(41.15, 52.03, 289.74°)
OKLab	oklab(49.9% -0.006 -0.1401)
OKLCH	oklch(49.9% 0.14 267.6)
XYZ	xyz(13.9746, 11.9574, 43.6824)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CB2 #B29640

analogous

#4095B2 #405CB2 #5D40B2

triadic

#405CB2 #B2405C #5CB240

tetradic

#405CB2 #B24095 #B29640 #40B25D

square

#405CB2 #B24095 #B29640 #40B25D

split-complementary

#405CB2 #B25D40 #95B240

monochromatic

#202D58 #304585 #405CB2 #677FC8 #94A5D8

Accessibility & contrast

On white

6.19

#405CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#405CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CB2

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CB2	#FFFFFF	#000000	##FFFFFF
##405CB2	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3066B5

Deuteranopia (green-blind)

#195CB0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #405cb2;
/* rgb */ color: rgb(64, 92, 178);
/* oklch */ color: oklch(49.9% 0.140 267.6);

Tailwind

colors: {
  custom: {
    50: '#8089c9',
    500: '#405cb2',
    950: '#000000',
  },
}

SCSS

$custom: #405cb2;
$custom-light: #8089c9;
$custom-dark: #000000;

JSON

{
  "hex": "#405cb2",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 225.263,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49898,
    "c": 0.14028,
    "h": 267.6
  },
  "luminance": 0.11959
}

Semantic roles & 50–950 ramp

primary

#405CB2

secondary

#C4B68A

accent

#B651D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405CB2

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

Preview Lab → · Contrast checker → · Palette generator →