#4E3939
Closest named color: Charcoal Grey (#3C4142). oklch(36.8% 0.03 18.6), rgb(78, 57, 57).
Aa
White text reads best on this color (10.66:1).
About this color
#4E3939 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.037 away. White text reads best on it, at 10.66:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.96:1 |
| White text | 10.66:1 |
Values
| HEX | #4E3939 |
| RGB | rgb(78, 57, 57) |
| HSL | hsl(0, 16%, 26%) |
| OKLCH | oklch(36.8% 0.03 18.6) |
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 #4E3939 | 10.66:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #4E3939 | 1.96:1 | Fails | Lc 9.2 | Not readable |
| #4E3939 text on white | 10.66:1 | AAA | Lc 94.7 | Preferred for body text |
| #4E3939 text on black | 1.96:1 | Fails | Lc -7.9 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EEE8E8
oklch(93.6% 0.007 17.3)
-
Step 200
200
#E1D6D6
oklch(88.5% 0.012 17.4)
-
Step 300
300
#CFBBBB
oklch(80.9% 0.023 17.6)
-
Step 400
400
#B69898
oklch(70.7% 0.036 18)
-
Step 500
500
#A47F7F
oklch(63.2% 0.046 18.4)
-
Step 600
600
#8E6868
oklch(55.6% 0.049 18.7)
-
Step 700
700
#795656
oklch(49% 0.047 18.9)
-
Step 800
800
#634747
oklch(42.8% 0.039 18.8)
-
Step 900
900 (this color)
#4E3939
oklch(36.8% 0.03 18.6)
-
Step 950
950
#2F2323
oklch(27% 0.018 18.4)
#4E3939 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) | #3D3C39 | 0.031 |
| Deuteranopia (no green cones) | #424039 | 0.029 |
| Tritanopia (no blue cones) | #523739 | 0.009 |
| Achromatopsia (no color) | #3E3E3E | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E3939
#4E3939
oklch(36.8% 0.03 18.6)
- #2C4445
#2C4445
oklch(36.7% 0.03 199.2)
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 #4E3939, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.037
- Onyx #343A40 ΔE 0.046
- Purple Brown #673A3F ΔE 0.050
- Charcoal #264653 ΔE 0.072
- Gunmetal #293241 ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.076
- Dark Slate Gray #2F4F4F ΔE 0.076
- Dark Blue Grey #1F3B4D ΔE 0.078
Use #4E3939 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.