#273C03
Closest named color: Dark Olive (#373E02). oklch(32.6% 0.083 128.8), rgb(39, 60, 3).
Aa
White text reads best on this color (12.11:1).
About this color
#273C03 is a dark, moderately saturated green. In OKLCH its lightness is 33%, its chroma 0.083 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 12.11:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.73:1 |
| White text | 12.11:1 |
Values
| HEX | #273C03 |
| RGB | rgb(39, 60, 3) |
| HSL | hsl(82, 90%, 12%) |
| OKLCH | oklch(32.6% 0.083 128.8) |
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 #273C03 | 12.11:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #273C03 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #273C03 text on white | 12.11:1 | AAA | Lc 97.5 | Preferred for body text |
| #273C03 text on black | 1.73:1 | 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
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E6ECE0
oklch(93.5% 0.017 128.7)
-
Step 200
200
#D2DEC6
oklch(88.5% 0.035 128.9)
-
Step 300
300
#B4C99E
oklch(80.9% 0.063 128.9)
-
Step 400
400
#8EAD69
oklch(70.8% 0.099 128.6)
-
Step 500
500
#72983D
oklch(63.2% 0.127 128.6)
-
Step 600
600
#5A8215
oklch(55.6% 0.138 128.8)
-
Step 700
700
#4A6E02
oklch(49.2% 0.129 128.7)
-
Step 800
800
#3D590A
oklch(42.6% 0.106 128.4)
-
Step 900
900 (this color)
#273C03
oklch(32.6% 0.083 128.8)
-
Step 950
950
#1E2B0D
oklch(26.9% 0.053 129)
#273C03 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) | #3F3700 | 0.041 |
| Deuteranopia (no green cones) | #3D3509 | 0.043 |
| Tritanopia (no blue cones) | #293932 | 0.066 |
| Achromatopsia (no color) | #363636 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #273C03
#273C03
oklch(32.6% 0.083 128.8)
- #412754
#412754
oklch(32.7% 0.082 309.2)
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 #273C03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.026
- Hunter Green #0B4008 ΔE 0.027
- Forrest Green #154406 ΔE 0.030
- Pakistan Green #283618 ΔE 0.034
- Pine Green #0A481E ΔE 0.042
- Racing Green #014600 ΔE 0.043
- British Racing Green #05480D ΔE 0.043
- Darkgreen #054907 ΔE 0.047
Use #273C03 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.