#39402B
Closest named color: Charcoal Grey (#3C4142). oklch(35.9% 0.036 123.2), rgb(57, 64, 43).
Aa
White text reads best on this color (10.81:1).
About this color
#39402B is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.036 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.038 away. White text reads best on it, at 10.81:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.94:1 |
| White text | 10.81:1 |
Values
| HEX | #39402B |
| RGB | rgb(57, 64, 43) |
| HSL | hsl(80, 20%, 21%) |
| OKLCH | oklch(35.9% 0.036 123.2) |
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 #39402B | 10.81:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #39402B | 1.94:1 | Fails | Lc 8.8 | Not readable |
| #39402B text on white | 10.81:1 | AAA | Lc 95.1 | Preferred for body text |
| #39402B text on black | 1.94:1 | Fails | Lc -7.6 | 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
#BDC4B1
oklch(81% 0.027 123.5)
-
Step 400
400
#9BA588
oklch(70.6% 0.042 123)
-
Step 500
500
#838F6B
oklch(63% 0.054 122.9)
-
Step 600
600
#6C7952
oklch(55.5% 0.059 123.3)
-
Step 700
700
#5A6643
oklch(49% 0.055 123.8)
-
Step 800
800
#4A5337
oklch(42.6% 0.045 122.8)
-
Step 900
900 (this color)
#39402B
oklch(35.9% 0.036 123.2)
-
Step 950
950
#24281C
oklch(26.9% 0.022 122.9)
#39402B 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) | #423D2A | 0.017 |
| Deuteranopia (no green cones) | #413D2C | 0.017 |
| Tritanopia (no blue cones) | #3B3E3A | 0.028 |
| Achromatopsia (no color) | #3D3D3D | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39402B
#39402B
oklch(35.9% 0.036 123.2)
- #40384C
#40384C
oklch(35.7% 0.036 302.9)
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 #39402B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.038
- Dark Olive #373E02 ΔE 0.044
- Onyx #343A40 ΔE 0.047
- Pakistan Green #283618 ΔE 0.050
- Evergreen #05472A ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.062
- Pine Green #0A481E ΔE 0.062
- Charcoal #264653 ΔE 0.065
Use #39402B 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.