#405BB6#405BB6

#405BB6 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.0% C 0.147 H 268.3°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#405BB6
RGB	rgb(64, 91, 182)
HSL	hsl(226, 48%, 48%)
HSV	hsv(226, 65%, 71%)
CMYK	cmyk(64.8%, 50%, 0%, 28.6%)
CIE-LAB	lab(41.13, 19.64, -51.35)
CIE-LCH	lch(41.13, 54.97, 290.93°)
OKLab	oklab(49.97% -0.0045 -0.1471)
OKLCH	oklch(49.97% 0.147 268.3)
XYZ	xyz(14.2961, 11.9483, 45.7998)
Luminance	0.1195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BB6 #B69B40

analogous

#4096B6 #405BB6 #6040B6

triadic

#405BB6 #B6405B #5BB640

tetradic

#405BB6 #B64096 #B69B40 #40B660

square

#405BB6 #B64096 #B69B40 #40B660

split-complementary

#405BB6 #B66040 #96B640

monochromatic

#202E5B #304489 #405BB6 #697FCA #96A6DA

Accessibility & contrast

On white

6.19

#405BB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#405BB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BB6

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BB6	#FFFFFF	#000000	##FFFFFF
##405BB6	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)

#2967B9

Deuteranopia (green-blind)

#075CB4

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #405bb6;
/* rgb */ color: rgb(64, 91, 182);
/* oklch */ color: oklch(50.0% 0.147 268.3);

Tailwind

colors: {
  custom: {
    50: '#8189cc',
    500: '#405bb6',
    950: '#000000',
  },
}

SCSS

$custom: #405bb6;
$custom-light: #8189cc;
$custom-dark: #000000;

JSON

{
  "hex": "#405bb6",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 182
  },
  "hsl": {
    "h": 226.271,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4997,
    "c": 0.14721,
    "h": 268.3
  },
  "luminance": 0.1195
}

Semantic roles & 50–950 ramp

primary

#405BB6

secondary

#C6B98C

accent

#B950D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405BB6

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

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