#404BA5#404BA5

#404BA5 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.5% C 0.144 H 274.0°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#404BA5
RGB	rgb(64, 75, 165)
HSL	hsl(233, 44%, 45%)
HSV	hsv(233, 61%, 65%)
CMYK	cmyk(61.2%, 54.5%, 0%, 35.3%)
CIE-LAB	lab(35.67, 24.01, -50.09)
CIE-LCH	lch(35.67, 55.55, 295.60°)
OKLab	oklab(45.47% 0.0099 -0.1436)
OKLCH	oklch(45.47% 0.144 274)
XYZ	xyz(11.4197, 8.8379, 36.6941)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404BA5 #A59A40

analogous

#407EA5 #404BA5 #6740A5

triadic

#404BA5 #A5404B #4BA540

tetradic

#404BA5 #A5407E #A59A40 #40A567

square

#404BA5 #A5407E #A59A40 #40A567

split-complementary

#404BA5 #A56740 #7EA540

monochromatic

#1E234D #2F3779 #404BA5 #616BC2 #8D94D3

Accessibility & contrast

On white

7.59

#404BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#404BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BA5

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BA5	#FFFFFF	#000000	##FFFFFF
##404BA5	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F58A8

Deuteranopia (green-blind)

#0050A3

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #404ba5;
/* rgb */ color: rgb(64, 75, 165);
/* oklch */ color: oklch(45.5% 0.144 274.0);

Tailwind

colors: {
  custom: {
    50: '#7f7dc0',
    500: '#404ba5',
    950: '#000000',
  },
}

SCSS

$custom: #404ba5;
$custom-light: #7f7dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#404ba5",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 165
  },
  "hsl": {
    "h": 233.465,
    "s": 44.105,
    "l": 44.902
  },
  "oklch": {
    "l": 0.45474,
    "c": 0.14399,
    "h": 274
  },
  "luminance": 0.08839
}

Semantic roles & 50–950 ramp

primary

#404BA5

secondary

#BEB783

accent

#C654D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #404BA5

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

Preview Lab → · Contrast checker → · Palette generator →