#3D4130
Closest named color: Charcoal Grey (#3C4142). oklch(36.6% 0.028 118.6), rgb(61, 65, 48).
Aa
White text reads best on this color (10.51:1).
About this color
#3D4130 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.030 away. White text reads best on it, at 10.51:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.51:1 |
Values
| HEX | #3D4130 |
| RGB | rgb(61, 65, 48) |
| HSL | hsl(74, 15%, 22%) |
| OKLCH | oklch(36.6% 0.028 118.6) |
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 #3D4130 | 10.51:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #3D4130 | 1.99:1 | Fails | Lc 9.5 | Not readable |
| #3D4130 text on white | 10.51:1 | AAA | Lc 94.4 | Preferred for body text |
| #3D4130 text on black | 1.99:1 | Fails | Lc -8.2 | 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
#E9EAE6
oklch(93.5% 0.005 117.9)
-
Step 200
200
#D8DAD2
oklch(88.5% 0.011 118)
-
Step 300
300
#BFC3B4
oklch(81% 0.021 119)
-
Step 400
400
#9EA48C
oklch(70.7% 0.035 118.7)
-
Step 500
500
#868E70
oklch(63.2% 0.044 119.8)
-
Step 600
600
#707858
oklch(55.7% 0.048 119.4)
-
Step 700
700
#5E6448
oklch(49% 0.043 117.9)
-
Step 800
800
#4D523B
oklch(42.7% 0.037 117.9)
-
Step 900
900 (this color)
#3D4130
oklch(36.6% 0.028 118.6)
-
Step 950
950
#25281E
oklch(27% 0.018 121.2)
#3D4130 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) | #433F2F | 0.011 |
| Deuteranopia (no green cones) | #433F31 | 0.012 |
| Tritanopia (no blue cones) | #3F3F3C | 0.024 |
| Achromatopsia (no color) | #3F3F3F | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4130
#3D4130
oklch(36.6% 0.028 118.6)
- #403C4C
#403C4C
oklch(36.7% 0.028 296.5)
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 #3D4130, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.030
- Onyx #343A40 ΔE 0.044
- Dark Olive #373E02 ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.056
- Charcoal #264653 ΔE 0.060
- Pakistan Green #283618 ΔE 0.060
- Evergreen #05472A ΔE 0.062
- Dark Teal #014D4E ΔE 0.066
Use #3D4130 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.