#2F3F01
Closest named color: Dark Olive (#373E02). oklch(34.1% 0.084 124.3), rgb(47, 63, 1).
Aa
White text reads best on this color (11.46:1).
About this color
#2F3F01 is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.084 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.013 away. White text reads best on it, at 11.46:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.83:1 |
| White text | 11.46:1 |
Values
| HEX | #2F3F01 |
| RGB | rgb(47, 63, 1) |
| HSL | hsl(75, 97%, 13%) |
| OKLCH | oklch(34.1% 0.084 124.3) |
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 #2F3F01 | 11.46:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #2F3F01 | 1.83:1 | Fails | Lc 7.6 | Not readable |
| #2F3F01 text on white | 11.46:1 | AAA | Lc 96.3 | Preferred for body text |
| #2F3F01 text on black | 1.83:1 | Fails | Lc 0.0 | 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
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E7ECDF
oklch(93.6% 0.018 124)
-
Step 200
200
#D4DDC5
oklch(88.4% 0.034 123.9)
-
Step 300
300
#B8C89C
oklch(80.9% 0.062 124)
-
Step 400
400
#93AB64
oklch(70.6% 0.1 124.2)
-
Step 500
500
#799634
oklch(63.1% 0.129 124.1)
-
Step 600
600
#628000
oklch(55.6% 0.139 124.4)
-
Step 700
700
#526B00
oklch(49% 0.122 124.1)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900 (this color)
#2F3F01
oklch(34.1% 0.084 124.3)
-
Step 950
950
#212B0B
oklch(27.1% 0.053 124.5)
#2F3F01 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) | #433A00 | 0.036 |
| Deuteranopia (no green cones) | #413907 | 0.037 |
| Tritanopia (no blue cones) | #323B34 | 0.069 |
| Achromatopsia (no color) | #3A3A3A | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F3F01
#2F3F01
oklch(34.1% 0.084 124.3)
- #422B5B
#422B5B
oklch(34% 0.085 304.4)
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 #2F3F01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.013
- Forrest Green #154406 ΔE 0.031
- Hunter Green #0B4008 ΔE 0.036
- Pine Green #0A481E ΔE 0.041
- British Racing Green #05480D ΔE 0.042
- Pakistan Green #283618 ΔE 0.043
- Racing Green #014600 ΔE 0.044
- Darkgreen #054907 ΔE 0.045
Use #2F3F01 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.