#404F99#404F99

#404F99 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.4% C 0.121 H 272.1°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#404F99
RGB	rgb(64, 79, 153)
HSL	hsl(230, 41%, 43%)
HSV	hsv(230, 58%, 60%)
CMYK	cmyk(58.2%, 48.4%, 0%, 40%)
CIE-LAB	lab(35.95, 17.20, -42.43)
CIE-LCH	lch(35.95, 45.79, 292.06°)
OKLab	oklab(45.43% 0.0045 -0.1211)
OKLCH	oklch(45.43% 0.121 272.1)
XYZ	xyz(10.6582, 8.9811, 31.3027)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404F99 #998A40

analogous

#407B99 #404F99 #5E4099

triadic

#404F99 #99404F #4F9940

tetradic

#404F99 #99407B #998A40 #40995E

square

#404F99 #99407B #998A40 #40995E

split-complementary

#404F99 #995E40 #7B9940

monochromatic

#1C2243 #2E396E #404F99 #5C6CBB #8793CD

Accessibility & contrast

On white

7.51

#404F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#404F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404F99

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404F99	#FFFFFF	#000000	##FFFFFF
##404F99	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C599C

Deuteranopia (green-blind)

#1F5197

Tritanopia (blue-blind)

#05606C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404f99;
/* rgb */ color: rgb(64, 79, 153);
/* oklch */ color: oklch(45.4% 0.121 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c80b7',
    500: '#404f99',
    950: '#000000',
  },
}

SCSS

$custom: #404f99;
$custom-light: #7c80b7;
$custom-dark: #000000;

JSON

{
  "hex": "#404f99",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 153
  },
  "hsl": {
    "h": 229.888,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45425,
    "c": 0.12116,
    "h": 272.1
  },
  "luminance": 0.08982
}

Semantic roles & 50–950 ramp

primary

#404F99

secondary

#B7AE7E

accent

#BC57D1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #404F99

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

Preview Lab → · Contrast checker → · Palette generator →