#404CA0#404CA0

#404CA0 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.135 H 273.6°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#404CA0
RGB	rgb(64, 76, 160)
HSL	hsl(233, 43%, 44%)
HSV	hsv(233, 60%, 63%)
CMYK	cmyk(60%, 52.5%, 0%, 37.3%)
CIE-LAB	lab(35.59, 21.61, -47.23)
CIE-LCH	lch(35.59, 51.93, 294.58°)
OKLab	oklab(45.3% 0.0086 -0.1352)
OKLCH	oklch(45.3% 0.135 273.6)
XYZ	xyz(11.0419, 8.7961, 34.3668)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404CA0 #A09440

analogous

#407CA0 #404CA0 #6440A0

triadic

#404CA0 #A0404C #4CA040

tetradic

#404CA0 #A0407C #A09440 #40A064

square

#404CA0 #A0407C #A09440 #40A064

split-complementary

#404CA0 #A06440 #7CA040

monochromatic

#1D2249 #2F3774 #404CA0 #5E6ABF #8A93D0

Accessibility & contrast

On white

7.61

#404CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#404CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404CA0

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CA0	#FFFFFF	#000000	##FFFFFF
##404CA0	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)

#1C58A3

Deuteranopia (green-blind)

#03509E

Tritanopia (blue-blind)

#005F6E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #404ca0;
/* rgb */ color: rgb(64, 76, 160);
/* oklch */ color: oklch(45.3% 0.135 273.6);

Tailwind

colors: {
  custom: {
    50: '#7e7dbd',
    500: '#404ca0',
    950: '#000000',
  },
}

SCSS

$custom: #404ca0;
$custom-light: #7e7dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#404ca0",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 160
  },
  "hsl": {
    "h": 232.5,
    "s": 42.857,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45302,
    "c": 0.13548,
    "h": 273.6
  },
  "luminance": 0.08797
}

Semantic roles & 50–950 ramp

primary

#404CA0

secondary

#BBB481

accent

#C355D3

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #404CA0

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

Preview Lab → · Contrast checker → · Palette generator →