#404FA0#404FA0

#404FA0 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.9% C 0.131 H 272.3°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#404FA0
RGB	rgb(64, 79, 160)
HSL	hsl(231, 43%, 44%)
HSV	hsv(231, 60%, 63%)
CMYK	cmyk(60%, 50.6%, 0%, 37.3%)
CIE-LAB	lab(36.40, 19.64, -45.92)
CIE-LCH	lch(36.40, 49.94, 293.16°)
OKLab	oklab(45.92% 0.0054 -0.1313)
OKLCH	oklch(45.92% 0.131 272.3)
XYZ	xyz(11.2534, 9.2191, 34.4373)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FA0 #A09140

analogous

#407FA0 #404FA0 #6140A0

triadic

#404FA0 #A0404F #4FA040

tetradic

#404FA0 #A0407F #A09140 #40A061

square

#404FA0 #A0407F #A09140 #40A061

split-complementary

#404FA0 #A06140 #7FA040

monochromatic

#1D2449 #2F3974 #404FA0 #5E6DBF #8A95D0

Accessibility & contrast

On white

7.38

#404FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#404FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FA0

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FA0	#FFFFFF	#000000	##FFFFFF
##404FA0	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255AA3

Deuteranopia (green-blind)

#12529E

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404fa0;
/* rgb */ color: rgb(64, 79, 160);
/* oklch */ color: oklch(45.9% 0.131 272.3);

Tailwind

colors: {
  custom: {
    50: '#7e80bd',
    500: '#404fa0',
    950: '#000000',
  },
}

SCSS

$custom: #404fa0;
$custom-light: #7e80bd;
$custom-dark: #000000;

JSON

{
  "hex": "#404fa0",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 160
  },
  "hsl": {
    "h": 230.625,
    "s": 42.857,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45917,
    "c": 0.13143,
    "h": 272.3
  },
  "luminance": 0.0922
}

Semantic roles & 50–950 ramp

primary

#404FA0

secondary

#BBB281

accent

#BF55D3

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #404FA0

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

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