#404271#404271

#404271 is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.0% C 0.079 H 280.4°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#404271
RGB	rgb(64, 66, 113)
HSL	hsl(238, 28%, 35%)
HSV	hsv(238, 43%, 44%)
CMYK	cmyk(43.4%, 41.6%, 0%, 55.7%)
CIE-LAB	lab(29.86, 12.34, -27.44)
CIE-LCH	lch(29.86, 30.08, 294.22°)
OKLab	oklab(40% 0.0141 -0.0772)
OKLCH	oklch(40% 0.079 280.4)
XYZ	xyz(7.0423, 6.1784, 16.4411)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404271 #716F40

analogous

#405B71 #404271 #574071

triadic

#404271 #714042 #427140

tetradic

#404271 #71405B #716F40 #407157

square

#404271 #71405B #716F40 #407157

split-complementary

#404271 #715740 #5B7140

monochromatic

#141423 #2A2B4A #404271 #565998 #797BB3

Accessibility & contrast

On white

9.39

#404271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#404271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404271

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404271	#FFFFFF	#000000	##FFFFFF
##404271	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324873

Deuteranopia (green-blind)

#2F4570

Tritanopia (blue-blind)

#314B54

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #404271;
/* rgb */ color: rgb(64, 66, 113);
/* oklch */ color: oklch(40.0% 0.079 280.4);

Tailwind

colors: {
  custom: {
    50: '#77769a',
    500: '#404271',
    950: '#000000',
  },
}

SCSS

$custom: #404271;
$custom-light: #77769a;
$custom-dark: #000000;

JSON

{
  "hex": "#404271",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 113
  },
  "hsl": {
    "h": 237.551,
    "s": 27.684,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40004,
    "c": 0.07853,
    "h": 280.4
  },
  "luminance": 0.06179
}

Semantic roles & 50–950 ramp

primary

#404271

secondary

#9E9C6F

accent

#C064C4

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #404271

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

Preview Lab → · Contrast checker → · Palette generator →