#404D99#404D99

#404D99 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.0% C 0.124 H 273.1°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#404D99
RGB	rgb(64, 77, 153)
HSL	hsl(231, 41%, 43%)
HSV	hsv(231, 58%, 60%)
CMYK	cmyk(58.2%, 49.7%, 0%, 40%)
CIE-LAB	lab(35.39, 18.51, -43.32)
CIE-LCH	lch(35.39, 47.11, 293.13°)
OKLab	oklab(45.01% 0.0068 -0.1237)
OKLCH	oklch(45.01% 0.124 273.1)
XYZ	xyz(10.5161, 8.6969, 31.2553)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404D99 #998C40

analogous

#407999 #404D99 #5F4099

triadic

#404D99 #99404D #4D9940

tetradic

#404D99 #994079 #998C40 #40995F

square

#404D99 #994079 #998C40 #40995F

split-complementary

#404D99 #995F40 #799940

monochromatic

#1C2243 #2E376E #404D99 #5C69BB #8791CD

Accessibility & contrast

On white

7.67

#404D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#404D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404D99

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404D99	#FFFFFF	#000000	##FFFFFF
##404D99	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27579C

Deuteranopia (green-blind)

#1A5097

Tritanopia (blue-blind)

#065E6B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #404d99;
/* rgb */ color: rgb(64, 77, 153);
/* oklch */ color: oklch(45.0% 0.124 273.1);

Tailwind

colors: {
  custom: {
    50: '#7d7eb7',
    500: '#404d99',
    950: '#000000',
  },
}

SCSS

$custom: #404d99;
$custom-light: #7d7eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#404d99",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 153
  },
  "hsl": {
    "h": 231.236,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45005,
    "c": 0.12389,
    "h": 273.1
  },
  "luminance": 0.08698
}

Semantic roles & 50–950 ramp

primary

#404D99

secondary

#B7AF7E

accent

#BF57D1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #404D99

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

Preview Lab → · Contrast checker → · Palette generator →