#173303
Closest named color: Very Dark Green (#062E03). oklch(28.8% 0.08 135.3), rgb(23, 51, 3).
Aa
White text reads best on this color (13.89:1).
About this color
#173303 is a dark, moderately saturated green. In OKLCH its lightness is 29%, its chroma 0.080 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.026 away. White text reads best on it, at 13.89:1.
| Hue family | Greens |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.51:1 |
| White text | 13.89:1 |
Values
| HEX | #173303 |
| RGB | rgb(23, 51, 3) |
| HSL | hsl(95, 89%, 11%) |
| OKLCH | oklch(28.8% 0.08 135.3) |
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 #173303 | 13.89:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #173303 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #173303 text on white | 13.89:1 | AAA | Lc 100.3 | Preferred for body text |
| #173303 text on black | 1.51:1 | 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 950.
-
Step 50
50
#F2F8EF
oklch(97.2% 0.013 134.9)
-
Step 100
100
#E2EEDC
oklch(93.5% 0.027 135)
-
Step 200
200
#CAE2BF
oklch(88.6% 0.054 135.8)
-
Step 300
300
#A6CF91
oklch(80.9% 0.095 135.3)
-
Step 400
400
#74B54E
oklch(70.7% 0.152 135.4)
-
Step 500
500
#51A000
oklch(63% 0.185 135.3)
-
Step 600
600
#438700
oklch(55.6% 0.164 135.4)
-
Step 700
700
#377100
oklch(49% 0.144 135.4)
-
Step 800
800
#2C5D00
oklch(42.7% 0.126 135.4)
-
Step 900
900
#244E00
oklch(37.8% 0.111 135.4)
-
Step 950
950 (this color)
#173303
oklch(28.8% 0.08 135.3)
#173303 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) | #352E00 | 0.048 |
| Deuteranopia (no green cones) | #322C07 | 0.048 |
| Tritanopia (no blue cones) | #16312A | 0.057 |
| Achromatopsia (no color) | #2C2C2C | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #173303
#173303
oklch(28.8% 0.08 135.3)
- #3A1C45
#3A1C45
oklch(28.8% 0.08 316.2)
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 #173303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.026
- Dark Forest Green #002D04 ΔE 0.032
- Pakistan Green #283618 ΔE 0.037
- Hunter Green #0B4008 ΔE 0.044
- Forrest Green #154406 ΔE 0.058
- Dark Olive #373E02 ΔE 0.063
- Racing Green #014600 ΔE 0.066
- Pine Green #0A481E ΔE 0.070
Use #173303 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.