#404E80#404E80

#404E80 is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.6% C 0.085 H 270.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#404E80
RGB	rgb(64, 78, 128)
HSL	hsl(227, 33%, 38%)
HSV	hsv(227, 50%, 50%)
CMYK	cmyk(50%, 39.1%, 0%, 49.8%)
CIE-LAB	lab(34.18, 9.32, -29.98)
CIE-LCH	lch(34.18, 31.39, 287.27°)
OKLab	oklab(43.6% 0.0011 -0.0846)
OKLCH	oklch(43.6% 0.085 270.7)
XYZ	xyz(8.7338, 8.0967, 21.5205)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E80 #807240

analogous

#406E80 #404E80 #524080

triadic

#404E80 #80404E #4E8040

tetradic

#404E80 #80406E #807240 #408052

square

#404E80 #80406E #807240 #408052

split-complementary

#404E80 #805240 #6E8040

monochromatic

#171C2E #2C3557 #404E80 #5467A9 #7D8BBE

Accessibility & contrast

On white

8.02

#404E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#404E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E80

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E80	#FFFFFF	#000000	##FFFFFF
##404E80	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5382

Deuteranopia (green-blind)

#354E7F

Tritanopia (blue-blind)

#275961

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #404e80;
/* rgb */ color: rgb(64, 78, 128);
/* oklch */ color: oklch(43.6% 0.085 270.7);

Tailwind

colors: {
  custom: {
    50: '#797fa5',
    500: '#404e80',
    950: '#000000',
  },
}

SCSS

$custom: #404e80;
$custom-light: #797fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#404e80",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 128
  },
  "hsl": {
    "h": 226.875,
    "s": 33.333,
    "l": 37.647
  },
  "oklch": {
    "l": 0.43595,
    "c": 0.08461,
    "h": 270.7
  },
  "luminance": 0.08097
}

Semantic roles & 50–950 ramp

primary

#404E80

secondary

#A89D74

accent

#B25EC9

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #404E80

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

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