#403A29
Closest named color: Charcoal Grey (#3C4142). oklch(35% 0.029 90.9), rgb(64, 58, 41).
Aa
White text reads best on this color (11.31:1).
About this color
#403A29 is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.039 away. White text reads best on it, at 11.31:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.85:1 |
| White text | 11.31:1 |
Values
| HEX | #403A29 |
| RGB | rgb(64, 58, 41) |
| HSL | hsl(44, 22%, 21%) |
| OKLCH | oklch(35% 0.029 90.9) |
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 #403A29 | 11.31:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #403A29 | 1.85:1 | Fails | Lc 7.8 | Not readable |
| #403A29 text on white | 11.31:1 | AAA | Lc 96.1 | Preferred for body text |
| #403A29 text on black | 1.85:1 | Fails | Lc 0.0 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE5
oklch(93.6% 0.007 97.4)
-
Step 200
200
#DCD9D0
oklch(88.5% 0.013 91.5)
-
Step 300
300
#C6C0B1
oklch(80.9% 0.022 88.7)
-
Step 400
400
#A9A088
oklch(70.7% 0.035 89.9)
-
Step 500
500
#93896B
oklch(63.1% 0.044 91.8)
-
Step 600
600
#7E7353
oklch(55.7% 0.048 91.3)
-
Step 700
700
#6A6043
oklch(49.1% 0.045 91.3)
-
Step 800
800
#574E37
oklch(42.6% 0.038 89.1)
-
Step 900
900 (this color)
#403A29
oklch(35% 0.029 90.9)
-
Step 950
950
#2A261C
oklch(27% 0.019 88.8)
#403A29 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) | #3E3928 | 0.005 |
| Deuteranopia (no green cones) | #3F3B2A | 0.003 |
| Tritanopia (no blue cones) | #443735 | 0.026 |
| Achromatopsia (no color) | #3A3A3A | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403A29
#403A29
oklch(35% 0.029 90.9)
- #353A4A
#353A4A
oklch(35% 0.029 271.3)
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 #403A29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.039
- Onyx #343A40 ΔE 0.042
- Pakistan Green #283618 ΔE 0.052
- Dark Olive #373E02 ΔE 0.053
- Gunmetal #293241 ΔE 0.068
- Charcoal #264653 ΔE 0.072
- Evergreen #05472A ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.073
Use #403A29 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.