#404635
Closest named color: Charcoal Grey (#3C4142). oklch(38.3% 0.029 123.6), rgb(64, 70, 53).
Aa
White text reads best on this color (9.78:1).
About this color
#404635 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.032 away. White text reads best on it, at 9.78:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #404635 |
| RGB | rgb(64, 70, 53) |
| HSL | hsl(81, 14%, 24%) |
| OKLCH | oklch(38.3% 0.029 123.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #404635 | 9.78:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #404635 | 2.14:1 | Fails | Lc 11.2 | Not readable |
| #404635 text on white | 9.78:1 | AAA | Lc 92.7 | Preferred for body text |
| #404635 text on black | 2.14:1 | Fails | Lc -9.7 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EBE6
oklch(93.7% 0.007 124.5)
-
Step 200
200
#D7DAD2
oklch(88.4% 0.011 123.5)
-
Step 300
300
#BEC3B4
oklch(80.9% 0.021 121.9)
-
Step 400
400
#9CA58D
oklch(70.8% 0.035 124.1)
-
Step 500
500
#848E71
oklch(63% 0.044 123.1)
-
Step 600
600
#6D7859
oklch(55.5% 0.048 123.8)
-
Step 700
700
#5B6549
oklch(49% 0.045 124)
-
Step 800
800
#4B533C
oklch(42.8% 0.038 123.6)
-
Step 900
900 (this color)
#404635
oklch(38.3% 0.029 123.6)
-
Step 950
950
#25281E
oklch(27% 0.018 121.2)
#404635 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #484434 | 0.014 |
| Deuteranopia (no green cones) | #474436 | 0.013 |
| Tritanopia (no blue cones) | #414441 | 0.023 |
| Achromatopsia (no color) | #444444 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404635
#404635
oklch(38.3% 0.029 123.6)
- #464050
#464050
oklch(38.4% 0.028 302.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #404635, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.044
- Onyx #343A40 ΔE 0.054
- Charcoal #264653 ΔE 0.058
- Dark Blue Green #005249 ΔE 0.062
- Dark Olive #373E02 ΔE 0.062
- Dark Teal #014D4E ΔE 0.062
- Mud Brown #60460F ΔE 0.066
Use #404635 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.