#404E89#404E89

#404E89 is a dark, moderate blue. Relative luminance 0.083; OKLCH L 44.1% C 0.098 H 271.8°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#404E89
RGB	rgb(64, 78, 137)
HSL	hsl(228, 36%, 39%)
HSV	hsv(228, 53%, 54%)
CMYK	cmyk(53.3%, 43.1%, 0%, 46.3%)
CIE-LAB	lab(34.69, 12.34, -34.71)
CIE-LCH	lch(34.69, 36.84, 289.58°)
OKLab	oklab(44.15% 0.0031 -0.0984)
OKLCH	oklch(44.15% 0.098 271.8)
XYZ	xyz(9.3526, 8.3443, 24.7798)
Luminance	0.0834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E89 #897B40

analogous

#407389 #404E89 #574089

triadic

#404E89 #89404E #4E8940

tetradic

#404E89 #894073 #897B40 #408957

square

#404E89 #894073 #897B40 #408957

split-complementary

#404E89 #895740 #738940

monochromatic

#191F36 #2D365F #404E89 #5667B0 #808DC4

Accessibility & contrast

On white

7.87

#404E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#404E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E89

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E89	#FFFFFF	#000000	##FFFFFF
##404E89	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36558B

Deuteranopia (green-blind)

#2E4F88

Tritanopia (blue-blind)

#1F5B65

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #404e89;
/* rgb */ color: rgb(64, 78, 137);
/* oklch */ color: oklch(44.1% 0.098 271.8);

Tailwind

colors: {
  custom: {
    50: '#7a7fac',
    500: '#404e89',
    950: '#000000',
  },
}

SCSS

$custom: #404e89;
$custom-light: #7a7fac;
$custom-dark: #000000;

JSON

{
  "hex": "#404e89",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 137
  },
  "hsl": {
    "h": 228.493,
    "s": 36.318,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4415,
    "c": 0.09848,
    "h": 271.8
  },
  "luminance": 0.08345
}

Semantic roles & 50–950 ramp

primary

#404E89

secondary

#AEA377

accent

#B75BCC

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #404E89

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

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