#404B77#404B77

#404B77 is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.4% C 0.075 H 272.2°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#404B77
RGB	rgb(64, 75, 119)
HSL	hsl(228, 30%, 36%)
HSV	hsv(228, 46%, 47%)
CMYK	cmyk(46.2%, 37%, 0%, 53.3%)
CIE-LAB	lab(32.82, 8.33, -26.54)
CIE-LCH	lch(32.82, 27.82, 287.42°)
OKLab	oklab(42.39% 0.0029 -0.0746)
OKLCH	oklch(42.39% 0.075 272.2)
XYZ	xyz(7.9592, 7.4536, 18.4685)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404B77 #776C40

analogous

#406677 #404B77 #504077

triadic

#404B77 #77404B #4B7740

tetradic

#404B77 #774066 #776C40 #407750

square

#404B77 #774066 #776C40 #407750

split-complementary

#404B77 #775040 #667740

monochromatic

#151927 #2B324F #404B77 #55649F #7A86B7

Accessibility & contrast

On white

8.43

#404B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#404B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404B77

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404B77	#FFFFFF	#000000	##FFFFFF
##404B77	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5079

Deuteranopia (green-blind)

#364B76

Tritanopia (blue-blind)

#2D545B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #404b77;
/* rgb */ color: rgb(64, 75, 119);
/* oklch */ color: oklch(42.4% 0.075 272.2);

Tailwind

colors: {
  custom: {
    50: '#787d9e',
    500: '#404b77',
    950: '#000000',
  },
}

SCSS

$custom: #404b77;
$custom-light: #787d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#404b77",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 119
  },
  "hsl": {
    "h": 228,
    "s": 30.055,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42385,
    "c": 0.07467,
    "h": 272.2
  },
  "luminance": 0.07454
}

Semantic roles & 50–950 ramp

primary

#404B77

secondary

#A29871

accent

#B262C6

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #404B77

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

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