#404AA8#404AA8

#404AA8 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.5% C 0.150 H 274.2°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#404AA8
RGB	rgb(64, 74, 168)
HSL	hsl(234, 45%, 45%)
HSV	hsv(234, 62%, 66%)
CMYK	cmyk(61.9%, 56%, 0%, 34.1%)
CIE-LAB	lab(35.62, 25.70, -51.96)
CIE-LCH	lch(35.62, 57.97, 296.32°)
OKLab	oklab(45.51% 0.0111 -0.1492)
OKLCH	oklch(45.51% 0.15 274.2)
XYZ	xyz(11.6287, 8.8138, 38.1266)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AA8 #A89E40

analogous

#407EA8 #404AA8 #6A40A8

triadic

#404AA8 #A8404A #4AA840

tetradic

#404AA8 #A8407E #A89E40 #40A86A

square

#404AA8 #A8407E #A89E40 #40A86A

split-complementary

#404AA8 #A86A40 #7EA840

monochromatic

#1E234F #2F367C #404AA8 #626BC3 #8E95D4

Accessibility & contrast

On white

7.60

#404AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#404AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AA8

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AA8	#FFFFFF	#000000	##FFFFFF
##404AA8	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AB

Deuteranopia (green-blind)

#004FA6

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #404aa8;
/* rgb */ color: rgb(64, 74, 168);
/* oklch */ color: oklch(45.5% 0.150 274.2);

Tailwind

colors: {
  custom: {
    50: '#7f7cc2',
    500: '#404aa8',
    950: '#000000',
  },
}

SCSS

$custom: #404aa8;
$custom-light: #7f7cc2;
$custom-dark: #000000;

JSON

{
  "hex": "#404aa8",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 168
  },
  "hsl": {
    "h": 234.231,
    "s": 44.828,
    "l": 45.49
  },
  "oklch": {
    "l": 0.45508,
    "c": 0.14958,
    "h": 274.2
  },
  "luminance": 0.08815
}

Semantic roles & 50–950 ramp

primary

#404AA8

secondary

#BFB985

accent

#C853D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #404AA8

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

Preview Lab → · Contrast checker → · Palette generator →