#404BA4#404BA4

#404BA4 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.143 H 274.0°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#404BA4
RGB	rgb(64, 75, 164)
HSL	hsl(233, 44%, 45%)
HSV	hsv(233, 61%, 64%)
CMYK	cmyk(61%, 54.3%, 0%, 35.7%)
CIE-LAB	lab(35.60, 23.66, -49.61)
CIE-LCH	lch(35.60, 54.96, 295.50°)
OKLab	oklab(45.4% 0.0099 -0.1422)
OKLCH	oklch(45.4% 0.143 274)
XYZ	xyz(11.3291, 8.8016, 36.2166)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404BA4 #A49940

analogous

#407DA4 #404BA4 #6740A4

triadic

#404BA4 #A4404B #4BA440

tetradic

#404BA4 #A4407D #A49940 #40A467

square

#404BA4 #A4407D #A49940 #40A467

split-complementary

#404BA4 #A46740 #7DA440

monochromatic

#1E234C #2F3778 #404BA4 #606BC1 #8C94D2

Accessibility & contrast

On white

7.61

#404BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#404BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BA4

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BA4	#FFFFFF	#000000	##FFFFFF
##404BA4	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1158A7

Deuteranopia (green-blind)

#0050A2

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #404ba4;
/* rgb */ color: rgb(64, 75, 164);
/* oklch */ color: oklch(45.4% 0.143 274.0);

Tailwind

colors: {
  custom: {
    50: '#7f7dc0',
    500: '#404ba4',
    950: '#000000',
  },
}

SCSS

$custom: #404ba4;
$custom-light: #7f7dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#404ba4",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 164
  },
  "hsl": {
    "h": 233.4,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45399,
    "c": 0.14257,
    "h": 274
  },
  "luminance": 0.08802
}

Semantic roles & 50–950 ramp

primary

#404BA4

secondary

#BDB783

accent

#C654D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #404BA4

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

Preview Lab → · Contrast checker → · Palette generator →