#405EAF#405EAF

#405EAF is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.1% C 0.133 H 266.4°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#405EAF
RGB	rgb(64, 94, 175)
HSL	hsl(224, 46%, 47%)
HSV	hsv(224, 63%, 69%)
CMYK	cmyk(63.4%, 46.3%, 0%, 31.4%)
CIE-LAB	lab(41.52, 15.22, -46.62)
CIE-LCH	lch(41.52, 49.04, 288.07°)
OKLab	oklab(50.12% -0.0084 -0.1332)
OKLCH	oklch(50.12% 0.133 266.4)
XYZ	xyz(13.8523, 12.1893, 42.1719)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EAF #AF9140

analogous

#4096AF #405EAF #5A40AF

triadic

#405EAF #AF405E #5EAF40

tetradic

#405EAF #AF4096 #AF9140 #40AF5A

square

#405EAF #AF4096 #AF9140 #40AF5A

split-complementary

#405EAF #AF5A40 #96AF40

monochromatic

#1F2E55 #304682 #405EAF #6580C7 #92A5D7

Accessibility & contrast

On white

6.11

#405EAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#405EAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EAF

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EAF	#FFFFFF	#000000	##FFFFFF
##405EAF	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3767B2

Deuteranopia (green-blind)

#245DAD

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405eaf;
/* rgb */ color: rgb(64, 94, 175);
/* oklch */ color: oklch(50.1% 0.133 266.4);

Tailwind

colors: {
  custom: {
    50: '#808bc7',
    500: '#405eaf',
    950: '#000000',
  },
}

SCSS

$custom: #405eaf;
$custom-light: #808bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#405eaf",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 175
  },
  "hsl": {
    "h": 223.784,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.50118,
    "c": 0.13347,
    "h": 266.4
  },
  "luminance": 0.12191
}

Semantic roles & 50–950 ramp

primary

#405EAF

secondary

#C3B388

accent

#B252D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405EAF

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

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