#404658#404658

#404658 is a dark, muted blue. Relative luminance 0.062; OKLCH L 39.6% C 0.032 H 270.5°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#404658
RGB	rgb(64, 70, 88)
HSL	hsl(225, 16%, 30%)
HSV	hsv(225, 27%, 35%)
CMYK	cmyk(27.3%, 20.5%, 0%, 65.5%)
CIE-LAB	lab(29.85, 2.18, -11.49)
CIE-LCH	lch(29.85, 11.70, 280.75°)
OKLab	oklab(39.6% 0.0003 -0.0315)
OKLCH	oklch(39.6% 0.032 270.5)
XYZ	xyz(6.0655, 6.1747, 10.1029)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404658 #585240

analogous

#405258 #404658 #464058

triadic

#404658 #584046 #465840

tetradic

#404658 #584052 #585240 #405846

square

#404658 #584052 #585240 #405846

split-complementary

#404658 #584640 #525840

monochromatic

#0D0E12 #262A35 #404658 #5A627B #77809C

Accessibility & contrast

On white

9.40

#404658 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#404658 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404658

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404658	#FFFFFF	#000000	##FFFFFF
##404658	1.00	9.40	2.24	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414759

Deuteranopia (green-blind)

#3F4558

Tritanopia (blue-blind)

#3A494C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #404658;
/* rgb */ color: rgb(64, 70, 88);
/* oklch */ color: oklch(39.6% 0.032 270.5);

Tailwind

colors: {
  custom: {
    50: '#757987',
    500: '#404658',
    950: '#000000',
  },
}

SCSS

$custom: #404658;
$custom-light: #757987;
$custom-dark: #000000;

JSON

{
  "hex": "#404658",
  "rgb": {
    "r": 64,
    "g": 70,
    "b": 88
  },
  "hsl": {
    "h": 225,
    "s": 15.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.396,
    "c": 0.03151,
    "h": 270.5
  },
  "luminance": 0.06175
}

Semantic roles & 50–950 ramp

primary

#404658

secondary

#87816C

accent

#A66FB9

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #404658

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

Preview Lab → · Contrast checker → · Palette generator →