#404BC9#404BC9

#404BC9 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.4% C 0.193 H 272.9°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#404BC9
RGB	rgb(64, 75, 201)
HSL	hsl(235, 56%, 52%)
HSV	hsv(235, 68%, 79%)
CMYK	cmyk(68.2%, 62.7%, 0%, 21.2%)
CIE-LAB	lab(38.44, 36.55, -66.80)
CIE-LCH	lch(38.44, 76.14, 298.69°)
OKLab	oklab(48.4% 0.0099 -0.1927)
OKLCH	oklch(48.4% 0.193 272.9)
XYZ	xyz(15.1695, 10.3378, 56.4430)
Luminance	0.1034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404BC9 #C9BE40

analogous

#4090C9 #404BC9 #7940C9

triadic

#404BC9 #C9404B #4BC940

tetradic

#404BC9 #C94090 #C9BE40 #40C979

square

#404BC9 #C94090 #C9BE40 #40C979

split-complementary

#404BC9 #C97940 #90C940

monochromatic

#1F266F #2D369F #404BC9 #7078D6 #9FA5E4

Accessibility & contrast

On white

6.85

#404BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#404BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404BC9

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BC9	#FFFFFF	#000000	##FFFFFF
##404BC9	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CD

Deuteranopia (green-blind)

#0054C7

Tritanopia (blue-blind)

#006B83

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404bc9;
/* rgb */ color: rgb(64, 75, 201);
/* oklch */ color: oklch(48.4% 0.193 272.9);

Tailwind

colors: {
  custom: {
    50: '#867dda',
    500: '#404bc9',
    950: '#000000',
  },
}

SCSS

$custom: #404bc9;
$custom-light: #867dda;
$custom-dark: #000000;

JSON

{
  "hex": "#404bc9",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 201
  },
  "hsl": {
    "h": 235.182,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.48401,
    "c": 0.193,
    "h": 272.9
  },
  "luminance": 0.10339
}

Semantic roles & 50–950 ramp

primary

#404BC9

secondary

#D0CC94

accent

#D349DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #404BC9

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

Preview Lab → · Contrast checker → · Palette generator →