#3A451B
Closest named color: Dark Olive (#373E02). oklch(37% 0.065 121.9), rgb(58, 69, 27).
Aa
White text reads best on this color (10.25:1).
About this color
#3A451B is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.065 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.028 away. White text reads best on it, at 10.25:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #3A451B |
| RGB | rgb(58, 69, 27) |
| HSL | hsl(76, 44%, 19%) |
| OKLCH | oklch(37% 0.065 121.9) |
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 #3A451B | 10.25:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #3A451B | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #3A451B text on white | 10.25:1 | AAA | Lc 93.8 | Preferred for body text |
| #3A451B text on black | 2.04:1 | Fails | Lc -8.8 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E8EBE1
oklch(93.5% 0.014 120.3)
-
Step 200
200
#D6DCC9
oklch(88.5% 0.026 121.2)
-
Step 300
300
#BBC6A3
oklch(80.9% 0.049 121.7)
-
Step 400
400
#98A971
oklch(70.7% 0.079 122.2)
-
Step 500
500
#7F934B
oklch(63.1% 0.1 122.1)
-
Step 600
600
#697D2D
oklch(55.6% 0.108 121.9)
-
Step 700
700
#57691F
oklch(49% 0.101 122)
-
Step 800
800
#47561C
oklch(42.7% 0.084 122.3)
-
Step 900
900 (this color)
#3A451B
oklch(37% 0.065 121.9)
-
Step 950
950
#232A12
oklch(27.1% 0.042 122.5)
#3A451B 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) | #494117 | 0.026 |
| Deuteranopia (no green cones) | #48411E | 0.027 |
| Tritanopia (no blue cones) | #3D423C | 0.054 |
| Achromatopsia (no color) | #414141 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A451B
#3A451B
oklch(37% 0.065 121.9)
- #46375C
#46375C
oklch(37% 0.064 302)
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 #3A451B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.028
- Pine Green #0A481E ΔE 0.048
- Evergreen #05472A ΔE 0.050
- Navy Green #35530A ΔE 0.052
- Forrest Green #154406 ΔE 0.053
- Green Brown #544E03 ΔE 0.056
- British Racing Green #05480D ΔE 0.058
- Pakistan Green #283618 ΔE 0.060
Use #3A451B 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.