#104F54
Closest named color: Dark Teal (#014D4E). oklch(39.2% 0.061 203), rgb(16, 79, 84).
Aa
White text reads best on this color (9.25:1).
About this color
#104F54 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.061 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.014 away. White text reads best on it, at 9.25:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.26:1 |
| White text | 9.25:1 |
Values
| HEX | #104F54 |
| RGB | rgb(16, 79, 84) |
| HSL | hsl(184, 68%, 20%) |
| OKLCH | oklch(39.2% 0.061 203) |
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 #104F54 | 9.25:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #104F54 | 2.26:1 | Fails | Lc 12.9 | Not readable |
| #104F54 text on white | 9.25:1 | AAA | Lc 91.0 | Preferred for body text |
| #104F54 text on black | 2.26:1 | Fails | Lc -11.3 | 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
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C7DEE0
oklch(88.4% 0.025 203.1)
-
Step 300
300
#9FCACE
oklch(81% 0.046 203.3)
-
Step 400
400
#66AEB5
oklch(70.6% 0.073 203.7)
-
Step 500
500
#329AA2
oklch(63.1% 0.093 202.5)
-
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)
#104F54
oklch(39.2% 0.061 203)
-
Step 950
950
#0A2C2F
oklch(27% 0.039 203.4)
#104F54 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) | #484B54 | 0.061 |
| Deuteranopia (no green cones) | #3F4454 | 0.057 |
| Tritanopia (no blue cones) | #005350 | 0.018 |
| Achromatopsia (no color) | #474747 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104F54
#104F54
oklch(39.2% 0.061 203)
- #623836
#623836
oklch(39.2% 0.06 23.1)
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 #104F54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.014
- Deep Teal #00555A ΔE 0.019
- Dark Blue Green #005249 ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.026
- Charcoal #264653 ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.039
- Petrol #005F6A ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.058
Use #104F54 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.