#104C3E
Closest named color: Dark Blue Green (#005249). oklch(37.5% 0.064 173.4), rgb(16, 76, 62).
Aa
White text reads best on this color (9.88:1).
About this color
#104C3E is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.064 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.022 away. White text reads best on it, at 9.88:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.12:1 |
| White text | 9.88:1 |
Values
| HEX | #104C3E |
| RGB | rgb(16, 76, 62) |
| HSL | hsl(166, 65%, 18%) |
| OKLCH | oklch(37.5% 0.064 173.4) |
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 #104C3E | 9.88:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #104C3E | 2.12:1 | Fails | Lc 11.3 | Not readable |
| #104C3E text on white | 9.88:1 | AAA | Lc 92.6 | Preferred for body text |
| #104C3E text on black | 2.12:1 | Fails | Lc -9.8 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD7
oklch(88.4% 0.027 172.8)
-
Step 300
300
#A1CBBE
oklch(80.8% 0.048 174.2)
-
Step 400
400
#6BB19C
oklch(70.8% 0.078 172.8)
-
Step 500
500
#3B9D84
oklch(63.2% 0.099 173.1)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900 (this color)
#104C3E
oklch(37.5% 0.064 173.4)
-
Step 950
950
#0D2D25
oklch(27.1% 0.041 174)
#104C3E 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) | #49473D | 0.066 |
| Deuteranopia (no green cones) | #41413F | 0.063 |
| Tritanopia (no blue cones) | #004D48 | 0.016 |
| Achromatopsia (no color) | #434343 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104C3E
#104C3E
oklch(37.5% 0.064 173.4)
- #5B3244
#5B3244
oklch(37.5% 0.064 352.8)
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 #104C3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.022
- Dark Teal #014D4E ΔE 0.026
- Evergreen #05472A ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.043
- Deep Teal #00555A ΔE 0.048
- Pine Green #0A481E ΔE 0.048
- Charcoal #264653 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.059
Use #104C3E 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.