#104B3B
Closest named color: Dark Blue Green (#005249). oklch(37.1% 0.065 170.5), rgb(16, 75, 59).
Aa
White text reads best on this color (10.04:1).
About this color
#104B3B is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.065 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.027 away. White text reads best on it, at 10.04:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #104B3B |
| RGB | rgb(16, 75, 59) |
| HSL | hsl(164, 65%, 18%) |
| OKLCH | oklch(37.1% 0.065 170.5) |
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 #104B3B | 10.04:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #104B3B | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #104B3B text on white | 10.04:1 | AAA | Lc 93.0 | Preferred for body text |
| #104B3B text on black | 2.09:1 | Fails | Lc -9.5 | 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
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8DFD6
oklch(88.4% 0.027 170.2)
-
Step 300
300
#A2CBBC
oklch(80.8% 0.048 170.8)
-
Step 400
400
#6CB19A
oklch(70.8% 0.078 170.7)
-
Step 500
500
#3D9D81
oklch(63.1% 0.1 170.7)
-
Step 600
600
#03876A
oklch(55.5% 0.108 170.7)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#015D48
oklch(42.6% 0.083 170.5)
-
Step 900
900 (this color)
#104B3B
oklch(37.1% 0.065 170.5)
-
Step 950
950
#0D2D23
oklch(27% 0.042 169.5)
#104B3B 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) | #49453A | 0.068 |
| Deuteranopia (no green cones) | #41403C | 0.064 |
| Tritanopia (no blue cones) | #004C46 | 0.018 |
| Achromatopsia (no color) | #424242 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104B3B
#104B3B
oklch(37.1% 0.065 170.5)
- #5A3145
#5A3145
oklch(37.2% 0.066 350.1)
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 #104B3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.027
- Evergreen #05472A ΔE 0.029
- Dark Teal #014D4E ΔE 0.031
- Pine Green #0A481E ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.047
- Deep Teal #00555A ΔE 0.053
- Charcoal #264653 ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.060
Use #104B3B 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.