#104B50
Closest named color: Dark Teal (#014D4E). oklch(37.9% 0.058 203.5), rgb(16, 75, 80).
Aa
White text reads best on this color (9.79:1).
About this color
#104B50 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.058 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.010 away. White text reads best on it, at 9.79:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.14:1 |
| White text | 9.79:1 |
Values
| HEX | #104B50 |
| RGB | rgb(16, 75, 80) |
| HSL | hsl(185, 67%, 19%) |
| OKLCH | oklch(37.9% 0.058 203.5) |
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 #104B50 | 9.79:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #104B50 | 2.14:1 | Fails | Lc 11.5 | Not readable |
| #104B50 text on white | 9.79:1 | AAA | Lc 92.4 | Preferred for body text |
| #104B50 text on black | 2.14:1 | Fails | Lc -10.0 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE0
oklch(88.5% 0.024 203.4)
-
Step 300
300
#A1C9CD
oklch(80.8% 0.043 203.9)
-
Step 400
400
#6AAEB4
oklch(70.8% 0.069 202.9)
-
Step 500
500
#3999A2
oklch(63.1% 0.089 203.9)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900 (this color)
#104B50
oklch(37.9% 0.058 203.5)
-
Step 950
950
#0C2C2E
oklch(27.1% 0.037 201)
#104B50 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) | #444750 | 0.057 |
| Deuteranopia (no green cones) | #3B4150 | 0.053 |
| Tritanopia (no blue cones) | #004E4C | 0.015 |
| Achromatopsia (no color) | #444444 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104B50
#104B50
oklch(37.9% 0.058 203.5)
- #5D3533
#5D3533
oklch(37.8% 0.058 23.2)
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 #104B50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.010
- Charcoal #264653 ΔE 0.025
- Dark Blue Green #005249 ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.032
- Deep Teal #00555A ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.052
Use #104B50 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.