#3F5401
Closest named color: Navy Green (#35530A). oklch(41.3% 0.103 124.6), rgb(63, 84, 1).
Aa
White text reads best on this color (8.46:1).
About this color
#3F5401 is a dark, moderately saturated yellow. In OKLCH its lightness is 41%, its chroma 0.103 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.014 away. White text reads best on it, at 8.46:1.
| Hue family | Yellows |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.47:1 |
| White text | 8.46:1 |
Values
| HEX | #3F5401 |
| RGB | rgb(63, 84, 1) |
| HSL | hsl(75, 98%, 17%) |
| OKLCH | oklch(41.3% 0.103 124.6) |
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 #3F5401 | 8.46:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #3F5401 | 2.47:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #3F5401 text on white | 8.46:1 | AAA | Lc 89.0 | Fine for body text |
| #3F5401 text on black | 2.47:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D4DDC6
oklch(88.4% 0.032 124.5)
-
Step 300
300
#B8C89E
oklch(81% 0.06 124.7)
-
Step 400
400
#93AB67
oklch(70.6% 0.096 124.7)
-
Step 500
500
#79963B
oklch(63.1% 0.123 124.7)
-
Step 600
600
#628010
oklch(55.7% 0.134 124.8)
-
Step 700
700
#516C00
oklch(49.2% 0.123 125)
-
Step 800
800 (this color)
#3F5401
oklch(41.3% 0.103 124.6)
-
Step 900
900
#384912
oklch(37.8% 0.081 125)
-
Step 950
950
#212B0D
oklch(27.1% 0.051 125.1)
#3F5401 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) | #594E00 | 0.044 |
| Deuteranopia (no green cones) | #574D0C | 0.045 |
| Tritanopia (no blue cones) | #434F46 | 0.085 |
| Achromatopsia (no color) | #4D4D4D | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F5401
#3F5401
oklch(41.3% 0.103 124.6)
- #583B78
#583B78
oklch(41.4% 0.103 304.2)
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 #3F5401, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.014
- Army Green #4B5D16 ΔE 0.036
- Green Brown #544E03 ΔE 0.037
- Pine #2B5D34 ΔE 0.045
- Camouflage Green #4B6113 ΔE 0.046
- Forest #0B5509 ΔE 0.047
- Deep Green #02590F ΔE 0.048
- Spruce #0A5F38 ΔE 0.058
Use #3F5401 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.