#405BB2#405BB2

#405BB2 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.142 H 268.0°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#405BB2
RGB	rgb(64, 91, 178)
HSL	hsl(226, 47%, 47%)
HSV	hsv(226, 64%, 70%)
CMYK	cmyk(64%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(40.87, 18.21, -49.42)
CIE-LCH	lch(40.87, 52.67, 290.23°)
OKLab	oklab(49.69% -0.005 -0.1415)
OKLCH	oklch(49.69% 0.142 268)
XYZ	xyz(13.8886, 11.7853, 43.6537)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BB2 #B29740

analogous

#4094B2 #405BB2 #5E40B2

triadic

#405BB2 #B2405B #5BB240

tetradic

#405BB2 #B24094 #B29740 #40B25E

square

#405BB2 #B24094 #B29740 #40B25E

split-complementary

#405BB2 #B25E40 #94B240

monochromatic

#202D58 #304485 #405BB2 #677EC8 #94A4D8

Accessibility & contrast

On white

6.25

#405BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#405BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BB2

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BB2	#FFFFFF	#000000	##FFFFFF
##405BB2	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D66B5

Deuteranopia (green-blind)

#155CB0

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #405bb2;
/* rgb */ color: rgb(64, 91, 178);
/* oklch */ color: oklch(49.7% 0.142 268.0);

Tailwind

colors: {
  custom: {
    50: '#8089ca',
    500: '#405bb2',
    950: '#000000',
  },
}

SCSS

$custom: #405bb2;
$custom-light: #8089ca;
$custom-dark: #000000;

JSON

{
  "hex": "#405bb2",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 225.789,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49688,
    "c": 0.14156,
    "h": 268
  },
  "luminance": 0.11787
}

Semantic roles & 50–950 ramp

primary

#405BB2

secondary

#C4B68A

accent

#B751D7

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405BB2

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

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