#3F420E
Closest named color: Dark Olive (#373E02). oklch(36.5% 0.071 112.7), rgb(63, 66, 14).
Aa
White text reads best on this color (10.51:1).
About this color
#3F420E is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.071 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.021 away. White text reads best on it, at 10.51:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.99:1 |
| White text | 10.51:1 |
Values
| HEX | #3F420E |
| RGB | rgb(63, 66, 14) |
| HSL | hsl(63, 65%, 16%) |
| OKLCH | oklch(36.5% 0.071 112.7) |
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 #3F420E | 10.51:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #3F420E | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #3F420E text on white | 10.51:1 | AAA | Lc 94.3 | Preferred for body text |
| #3F420E 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#EAEBE0
oklch(93.6% 0.015 110.9)
-
Step 200
200
#D9DCC5
oklch(88.6% 0.031 113.1)
-
Step 300
300
#C0C59D
oklch(80.9% 0.054 113.4)
-
Step 400
400
#A1A667
oklch(70.6% 0.085 112.3)
-
Step 500
500
#8A903A
oklch(63% 0.11 112.8)
-
Step 600
600
#757A0F
oklch(55.7% 0.119 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505407
oklch(42.8% 0.092 112.9)
-
Step 900
900 (this color)
#3F420E
oklch(36.5% 0.071 112.7)
-
Step 950
950
#27290C
oklch(27.1% 0.046 112.7)
#3F420E 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) | #483F06 | 0.017 |
| Deuteranopia (no green cones) | #484012 | 0.018 |
| Tritanopia (no blue cones) | #443E38 | 0.063 |
| Achromatopsia (no color) | #3F3F3F | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F420E
#3F420E
oklch(36.5% 0.071 112.7)
- #403761
#403761
oklch(36.6% 0.071 292.4)
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 #3F420E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.021
- Green Brown #544E03 ΔE 0.055
- Forrest Green #154406 ΔE 0.056
- Pine Green #0A481E ΔE 0.056
- Navy Green #35530A ΔE 0.056
- Pakistan Green #283618 ΔE 0.059
- Evergreen #05472A ΔE 0.060
- Mud Brown #60460F ΔE 0.062
Use #3F420E 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.