#104B4D
Closest named color: Dark Teal (#014D4E). oklch(37.8% 0.058 198.4), rgb(16, 75, 77).
Aa
White text reads best on this color (9.83:1).
About this color
#104B4D is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.058 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.008 away. White text reads best on it, at 9.83:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #104B4D |
| RGB | rgb(16, 75, 77) |
| HSL | hsl(182, 66%, 18%) |
| OKLCH | oklch(37.8% 0.058 198.4) |
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 #104B4D | 9.83:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #104B4D | 2.13:1 | Fails | Lc 11.4 | Not readable |
| #104B4D text on white | 9.83:1 | AAA | Lc 92.5 | Preferred for body text |
| #104B4D text on black | 2.13:1 | Fails | Lc -9.9 | 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
#E1EDED
oklch(93.7% 0.013 196.9)
-
Step 200
200
#C8DEDF
oklch(88.5% 0.024 200.1)
-
Step 300
300
#A1CACB
oklch(81% 0.043 198.2)
-
Step 400
400
#6AAEB0
oklch(70.7% 0.069 198.1)
-
Step 500
500
#3A9A9D
oklch(63.2% 0.088 198.1)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900 (this color)
#104B4D
oklch(37.8% 0.058 198.4)
-
Step 950
950
#0C2C2D
oklch(27% 0.037 198.1)
#104B4D 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) | #45474D | 0.059 |
| Deuteranopia (no green cones) | #3C414D | 0.054 |
| Tritanopia (no blue cones) | #004E4B | 0.013 |
| Achromatopsia (no color) | #434343 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104B4D
#104B4D
oklch(37.8% 0.058 198.4)
- #5D3536
#5D3536
oklch(37.9% 0.058 18.5)
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 #104B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.008
- Dark Blue Green #005249 ΔE 0.027
- Charcoal #264653 ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.032
- Deep Teal #00555A ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.054
Use #104B4D 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.