#404166#404166

#404166 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.1% C 0.062 H 281.9°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#404166
RGB	rgb(64, 65, 102)
HSL	hsl(238, 23%, 33%)
HSV	hsv(238, 37%, 40%)
CMYK	cmyk(37.3%, 36.3%, 0%, 60%)
CIE-LAB	lab(28.98, 9.57, -21.82)
CIE-LCH	lch(28.98, 23.83, 293.67°)
OKLab	oklab(39.14% 0.0129 -0.061)
OKLCH	oklch(39.14% 0.062 281.9)
XYZ	xyz(6.4023, 5.8297, 13.3557)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404166 #666540

analogous

#405466 #404166 #524066

triadic

#404166 #664041 #416640

tetradic

#404166 #664054 #666540 #406652

square

#404166 #664054 #666540 #406652

split-complementary

#404166 #665240 #546640

monochromatic

#11111B #282940 #404166 #58598C #7778AA

Accessibility & contrast

On white

9.70

#404166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#404166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404166

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404166	#FFFFFF	#000000	##FFFFFF
##404166	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354668

Deuteranopia (green-blind)

#344365

Tritanopia (blue-blind)

#36484E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #404166;
/* rgb */ color: rgb(64, 65, 102);
/* oklch */ color: oklch(39.1% 0.062 281.9);

Tailwind

colors: {
  custom: {
    50: '#767592',
    500: '#404166',
    950: '#000000',
  },
}

SCSS

$custom: #404166;
$custom-light: #767592;
$custom-dark: #000000;

JSON

{
  "hex": "#404166",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 102
  },
  "hsl": {
    "h": 238.421,
    "s": 22.892,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39137,
    "c": 0.06231,
    "h": 281.9
  },
  "luminance": 0.0583
}

Semantic roles & 50–950 ramp

primary

#404166

secondary

#95946D

accent

#BD68BF

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080D

muted

#7B7B7D

Preview Lab

Preview with #404166

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

Preview Lab → · Contrast checker → · Palette generator →