#31511D
Closest named color: Navy Green (#35530A). oklch(39.7% 0.088 135.1), rgb(49, 81, 29).
Aa
White text reads best on this color (9.03:1).
About this color
#31511D is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.088 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.018 away. White text reads best on it, at 9.03:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #31511D |
| RGB | rgb(49, 81, 29) |
| HSL | hsl(97, 47%, 22%) |
| OKLCH | oklch(39.7% 0.088 135.1) |
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 #31511D | 9.03:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #31511D | 2.32:1 | Fails | Lc 13.4 | Not readable |
| #31511D text on white | 9.03:1 | AAA | Lc 90.6 | Preferred for body text |
| #31511D text on black | 2.32:1 | Fails | Lc -11.7 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CFDFC7
oklch(88.5% 0.037 135)
-
Step 300
300
#AFCBA0
oklch(81% 0.066 134.7)
-
Step 400
400
#84AF6C
oklch(70.6% 0.104 135)
-
Step 500
500
#649B42
oklch(63.1% 0.135 135.1)
-
Step 600
600
#4A851F
oklch(55.6% 0.146 135.2)
-
Step 700
700
#3B710F
oklch(49.2% 0.137 135.2)
-
Step 800
800
#315C12
oklch(42.8% 0.113 135.3)
-
Step 900
900 (this color)
#31511D
oklch(39.7% 0.088 135.1)
-
Step 950
950
#1A2C0F
oklch(26.9% 0.055 135)
#31511D 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) | #544B17 | 0.053 |
| Deuteranopia (no green cones) | #504821 | 0.054 |
| Tritanopia (no blue cones) | #304E46 | 0.063 |
| Achromatopsia (no color) | #494949 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31511D
#31511D
oklch(39.7% 0.088 135.1)
- #583767
#583767
oklch(39.7% 0.087 314.6)
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 #31511D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.018
- Pine #2B5D34 ΔE 0.040
- Forest #0B5509 ΔE 0.040
- Deep Green #02590F ΔE 0.045
- Spruce #0A5F38 ΔE 0.048
- Pine Green #0A481E ΔE 0.049
- Green Brown #544E03 ΔE 0.050
- Bottle Green #044A05 ΔE 0.052
Use #31511D 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.