neutralcool
Charcoal #36454F
A very dark blue-gray, softer than black; common for dark-mode surfaces.
Use cases: Dark mode · Typography
Color values
| Format | Value | |
|---|---|---|
| HEX | #36454F | |
| RGB | rgb(54, 69, 79) | |
| HSL | hsl(204, 19%, 26%) | |
| HSV | hsv(204, 32%, 31%) | |
| CMYK | cmyk(31.6%, 12.7%, 0%, 69%) | |
| XYZ | xyz(5.0603, 5.6048, 8.2108) | |
| CIE-LAB | lab(28.4, -3.3, -8.0) | |
| Luminance | 0.056 (WCAG relative) |
/* Charcoal */
color: #36454f;
background-color: #36454f;
Shade scale
Perceptual 50–950 scale, interpolated in CIE-LAB. Step 500 is the base color. Edit in the shade generator →
Shades (toward black)
#313e47 #2b373f #263037 #20292f #1b2328 #161c20 #101518 #0b0e10 #050708 #000000
Tints (toward white)
#4a5861 #5e6a72 #727d84 #868f95 #9ba2a7 #afb5b9 #c3c7ca #d7dadc #ebeced #ffffff
Tones (toward gray)
#3d4b54 #455159 #4c575e #545d63 #5b6368 #62686c #6a6e71 #717476 #797a7b #808080
Color harmonies
Complementary
Edit in generator →#36454F
#4F4036
#36454f #4f4036
Analogous
Edit in generator →#364F4C
#36454F
#36384F
#364f4c #36454f #36384f
Triadic
Edit in generator →#36454F
#4F3645
#454F36
#36454f #4f3645 #454f36
Tetradic
Edit in generator →#36454F
#4C364F
#4F4036
#384F36
#36454f #4c364f #4f4036 #384f36
Split Complementary
Edit in generator →#36454F
#4F3638
#4F4C36
#36454f #4f3638 #4f4c36
Monochromatic
Edit in generator →#0C1012
#1D252B
#36454F
#4F6573
#688498
#0c1012 #1d252b #36454f #4f6573 #688498
Accessibility & contrast
9.90
#36454F on #FFFFFF
AA text ✓AA large ✓AAA text ✓UI 3:1 ✓
2.12
#36454F on #000000
AA text ✗AA large ✗AAA text ✗UI 3:1 ✗
Best text on charcoal
9.90
#FFFFFF text
WCAG 2.1: AA needs ≥4.5:1 for normal text, ≥3:1 for large text and UI components; AAA needs ≥7:1 / ≥4.5:1.
Color blindness preview
Simulation using the Machado et al. (2009) physiological model, severity 1.0. This is an approximation of perception — not a medical assessment.
Closest named colors
Nearest matches by CIEDE2000 perceptual distance (ΔE₀₀).
| Color | Name | ΔE₀₀ |
|---|---|---|
| Gunmetal #2A3439 | 6.00 | |
| Onyx #353839 | 7.21 | |
| Ocean Blue #4F42B5 | 13.28 | |
| Cobalt #0047AB | 13.44 | |
| Navy Blue #1B2A4A | 13.98 | |
| Midnight Blue #191970 | 14.52 |
Related colors
Palettes with charcoal
Values computed from the sRGB color model. CMYK is the naive sRGB conversion without an ICC profile. RGB percentages may differ between color-managed applications.