#104140
Closest named color: Midnight Green (#073B4C). oklch(34.3% 0.051 193.1), rgb(16, 65, 64).
Aa
White text reads best on this color (11.33:1).
About this color
#104140 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.051 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.035 away. White text reads best on it, at 11.33:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.85:1 |
| White text | 11.33:1 |
Values
| HEX | #104140 |
| RGB | rgb(16, 65, 64) |
| HSL | hsl(179, 60%, 16%) |
| OKLCH | oklch(34.3% 0.051 193.1) |
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 #104140 | 11.33:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #104140 | 1.85:1 | Fails | Lc 8.0 | Not readable |
| #104140 text on white | 11.33:1 | AAA | Lc 95.9 | Preferred for body text |
| #104140 text on black | 1.85:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDD
oklch(88.5% 0.021 193.1)
-
Step 300
300
#A5C9C7
oklch(80.9% 0.038 192.3)
-
Step 400
400
#72ADAB
oklch(70.7% 0.061 193.1)
-
Step 500
500
#499896
oklch(63% 0.078 193.2)
-
Step 600
600
#248381
oklch(55.7% 0.085 192.9)
-
Step 700
700
#146F6D
oklch(49.2% 0.079 192.6)
-
Step 800
800
#165A59
oklch(42.7% 0.065 193.5)
-
Step 900
900 (this color)
#104140
oklch(34.3% 0.051 193.1)
-
Step 950
950
#112B2B
oklch(26.9% 0.032 195.4)
#104140 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) | #3D3D40 | 0.054 |
| Deuteranopia (no green cones) | #353840 | 0.049 |
| Tritanopia (no blue cones) | #004341 | 0.009 |
| Achromatopsia (no color) | #3A3A3A | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104140
#104140
oklch(34.3% 0.051 193.1)
- #502D31
#502D31
oklch(34.3% 0.052 12.8)
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 #104140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.038
- Dark Teal #014D4E ΔE 0.040
- Charcoal #264653 ΔE 0.042
- Onyx #343A40 ΔE 0.045
- Evergreen #05472A ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.052
- Dark Blue Green #005249 ΔE 0.055
Use #104140 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.