#3F400E
Closest named color: Dark Olive (#373E02). oklch(36% 0.069 110.5), rgb(63, 64, 14).
Aa
White text reads best on this color (10.76:1).
About this color
#3F400E is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.069 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.019 away. White text reads best on it, at 10.76:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #3F400E |
| RGB | rgb(63, 64, 14) |
| HSL | hsl(61, 64%, 15%) |
| OKLCH | oklch(36% 0.069 110.5) |
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 #3F400E | 10.76:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #3F400E | 1.95:1 | Fails | Lc 9.0 | Not readable |
| #3F400E text on white | 10.76:1 | AAA | Lc 94.9 | Preferred for body text |
| #3F400E text on black | 1.95:1 | Fails | Lc -7.7 | 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
#DADBC6
oklch(88.5% 0.028 109.2)
-
Step 300
300
#C2C49E
oklch(80.9% 0.051 110)
-
Step 400
400
#A3A668
oklch(70.8% 0.083 110.7)
-
Step 500
500
#8D8F3D
oklch(63.1% 0.105 110.4)
-
Step 600
600
#777915
oklch(55.7% 0.115 110.8)
-
Step 700
700
#646502
oklch(49% 0.106 110.4)
-
Step 800
800
#52530A
oklch(42.8% 0.089 110.5)
-
Step 900
900 (this color)
#3F400E
oklch(36% 0.069 110.5)
-
Step 950
950
#27280D
oklch(26.9% 0.043 110.9)
#3F400E 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) | #463D06 | 0.014 |
| Deuteranopia (no green cones) | #463E12 | 0.015 |
| Tritanopia (no blue cones) | #443C36 | 0.061 |
| Achromatopsia (no color) | #3E3E3E | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F400E
#3F400E
oklch(36% 0.069 110.5)
- #3D365E
#3D365E
oklch(35.9% 0.068 290.6)
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 #3F400E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.019
- Pakistan Green #283618 ΔE 0.054
- Forrest Green #154406 ΔE 0.057
- Pine Green #0A481E ΔE 0.058
- Green Brown #544E03 ΔE 0.060
- Evergreen #05472A ΔE 0.061
- Navy Green #35530A ΔE 0.063
- Mud Brown #60460F ΔE 0.065
Use #3F400E 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.