#404D8F#404D8F

#404D8F is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.3% C 0.109 H 272.8°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#404D8F
RGB	rgb(64, 77, 143)
HSL	hsl(230, 38%, 41%)
HSV	hsv(230, 55%, 56%)
CMYK	cmyk(55.2%, 46.2%, 0%, 43.9%)
CIE-LAB	lab(34.76, 15.05, -38.26)
CIE-LCH	lch(34.76, 41.12, 291.47°)
OKLab	oklab(44.32% 0.0054 -0.1088)
OKLCH	oklch(44.32% 0.109 272.8)
XYZ	xyz(9.7246, 8.3802, 27.0864)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404D8F #8F8240

analogous

#40748F #404D8F #5B408F

triadic

#404D8F #8F404D #4D8F40

tetradic

#404D8F #8F4074 #8F8240 #408F5B

square

#404D8F #8F4074 #8F8240 #408F5B

split-complementary

#404D8F #8F5B40 #748F40

monochromatic

#1A1F3A #2D3665 #404D8F #5867B4 #828EC7

Accessibility & contrast

On white

7.85

#404D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#404D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404D8F

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404D8F	#FFFFFF	#000000	##FFFFFF
##404D8F	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305591

Deuteranopia (green-blind)

#274F8E

Tritanopia (blue-blind)

#195B67

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #404d8f;
/* rgb */ color: rgb(64, 77, 143);
/* oklch */ color: oklch(44.3% 0.109 272.8);

Tailwind

colors: {
  custom: {
    50: '#7b7eb0',
    500: '#404d8f',
    950: '#000000',
  },
}

SCSS

$custom: #404d8f;
$custom-light: #7b7eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#404d8f",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 143
  },
  "hsl": {
    "h": 230.127,
    "s": 38.164,
    "l": 40.588
  },
  "oklch": {
    "l": 0.44321,
    "c": 0.10898,
    "h": 272.8
  },
  "luminance": 0.08381
}

Semantic roles & 50–950 ramp

primary

#404D8F

secondary

#B2A879

accent

#BB5ACE

background

#F7F7FA

surface

#EEEEF5

border

#C9C9CF

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #404D8F

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

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