#404178#404178

#404178 is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.2% C 0.091 H 280.7°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#404178
RGB	rgb(64, 65, 120)
HSL	hsl(239, 30%, 36%)
HSV	hsv(239, 47%, 47%)
CMYK	cmyk(46.7%, 45.8%, 0%, 52.9%)
CIE-LAB	lab(29.98, 15.27, -31.66)
CIE-LCH	lch(29.98, 35.15, 295.75°)
OKLab	oklab(40.23% 0.0169 -0.0896)
OKLCH	oklch(40.23% 0.091 280.7)
XYZ	xyz(7.3938, 6.2263, 18.5779)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404178 #787740

analogous

#405D78 #404178 #5B4078

triadic

#404178 #784041 #417840

tetradic

#404178 #78405D #787740 #40785B

square

#404178 #78405D #787740 #40785B

split-complementary

#404178 #785B40 #5D7840

monochromatic

#151628 #2B2B50 #404178 #5557A0 #7A7BB8

Accessibility & contrast

On white

9.35

#404178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#404178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404178

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404178	#FFFFFF	#000000	##FFFFFF
##404178	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C497A

Deuteranopia (green-blind)

#284577

Tritanopia (blue-blind)

#2D4C56

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #404178;
/* rgb */ color: rgb(64, 65, 120);
/* oklch */ color: oklch(40.2% 0.091 280.7);

Tailwind

colors: {
  custom: {
    50: '#78759f',
    500: '#404178',
    950: '#000000',
  },
}

SCSS

$custom: #404178;
$custom-light: #78759f;
$custom-dark: #000000;

JSON

{
  "hex": "#404178",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 120
  },
  "hsl": {
    "h": 238.929,
    "s": 30.435,
    "l": 36.078
  },
  "oklch": {
    "l": 0.40226,
    "c": 0.09117,
    "h": 280.7
  },
  "luminance": 0.06227
}

Semantic roles & 50–950 ramp

primary

#404178

secondary

#A3A271

accent

#C561C7

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #404178

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

Preview Lab → · Contrast checker → · Palette generator →