#405DA5#405DA5

#405DA5 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.2% C 0.120 H 265.7°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#405DA5
RGB	rgb(64, 93, 165)
HSL	hsl(223, 44%, 45%)
HSV	hsv(223, 61%, 65%)
CMYK	cmyk(61.2%, 43.6%, 0%, 35.3%)
CIE-LAB	lab(40.63, 12.32, -42.13)
CIE-LCH	lch(40.63, 43.89, 286.30°)
OKLab	oklab(49.24% -0.0091 -0.12)
OKLCH	oklch(49.24% 0.12 265.7)
XYZ	xyz(12.8179, 11.6342, 37.1602)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DA5 #A58840

analogous

#4090A5 #405DA5 #5540A5

triadic

#405DA5 #A5405D #5DA540

tetradic

#405DA5 #A54090 #A58840 #40A555

square

#405DA5 #A54090 #A58840 #40A555

split-complementary

#405DA5 #A55540 #90A540

monochromatic

#1E2B4D #2F4479 #405DA5 #617CC2 #8DA1D3

Accessibility & contrast

On white

6.31

#405DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#405DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DA5

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DA5	#FFFFFF	#000000	##FFFFFF
##405DA5	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D65A8

Deuteranopia (green-blind)

#2E5BA3

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #405da5;
/* rgb */ color: rgb(64, 93, 165);
/* oklch */ color: oklch(49.2% 0.120 265.7);

Tailwind

colors: {
  custom: {
    50: '#7e8ac0',
    500: '#405da5',
    950: '#000000',
  },
}

SCSS

$custom: #405da5;
$custom-light: #7e8ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#405da5",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 165
  },
  "hsl": {
    "h": 222.772,
    "s": 44.105,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49242,
    "c": 0.12036,
    "h": 265.7
  },
  "luminance": 0.11635
}

Semantic roles & 50–950 ramp

primary

#405DA5

secondary

#BEAD83

accent

#AF54D4

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #405DA5

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

Preview Lab → · Contrast checker → · Palette generator →