#404731
Closest named color: Charcoal Grey (#3C4142). oklch(38.5% 0.037 122.5), rgb(64, 71, 49).
Aa
White text reads best on this color (9.70:1).
About this color
#404731 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.037 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.040 away. White text reads best on it, at 9.70:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #404731 |
| RGB | rgb(64, 71, 49) |
| HSL | hsl(79, 18%, 24%) |
| OKLCH | oklch(38.5% 0.037 122.5) |
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 #404731 | 9.70:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #404731 | 2.16:1 | Fails | Lc 11.4 | Not readable |
| #404731 text on white | 9.70:1 | AAA | Lc 92.5 | Preferred for body text |
| #404731 text on black | 2.16:1 | Fails | Lc -9.9 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE5
oklch(93.7% 0.008 121.6)
-
Step 200
200
#D7DBD0
oklch(88.5% 0.015 123.1)
-
Step 300
300
#BDC4B0
oklch(80.9% 0.029 122.8)
-
Step 400
400
#9BA587
oklch(70.6% 0.044 122.5)
-
Step 500
500
#838F69
oklch(63% 0.056 122.2)
-
Step 600
600
#6D7951
oklch(55.5% 0.06 121.9)
-
Step 700
700
#5B6641
oklch(49.1% 0.057 122)
-
Step 800
800
#4A5336
oklch(42.6% 0.047 122.4)
-
Step 900
900 (this color)
#404731
oklch(38.5% 0.037 122.5)
-
Step 950
950
#24281C
oklch(26.9% 0.022 122.9)
#404731 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) | #4A4430 | 0.018 |
| Deuteranopia (no green cones) | #494432 | 0.018 |
| Tritanopia (no blue cones) | #424541 | 0.029 |
| Achromatopsia (no color) | #444444 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404731
#404731
oklch(38.5% 0.037 122.5)
- #473F54
#473F54
oklch(38.4% 0.037 302.1)
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 #404731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.048
- Dark Olive #373E02 ΔE 0.057
- Onyx #343A40 ΔE 0.061
- Mud Brown #60460F ΔE 0.061
- Dark Blue Green #005249 ΔE 0.062
- Green Brown #544E03 ΔE 0.062
- Evergreen #05472A ΔE 0.063
Use #404731 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.