#104A41
Closest named color: Dark Teal (#014D4E). oklch(37% 0.06 180.1), rgb(16, 74, 65).
Aa
White text reads best on this color (10.10:1).
About this color
#104A41 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.060 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.021 away. White text reads best on it, at 10.10:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.07:1 |
| White text | 10.10:1 |
Values
| HEX | #104A41 |
| RGB | rgb(16, 74, 65) |
| HSL | hsl(171, 64%, 18%) |
| OKLCH | oklch(37% 0.06 180.1) |
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 #104A41 | 10.10:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #104A41 | 2.07:1 | Fails | Lc 10.8 | Not readable |
| #104A41 text on white | 10.10:1 | AAA | Lc 93.2 | Preferred for body text |
| #104A41 text on black | 2.07:1 | Fails | Lc -9.3 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFDA
oklch(88.5% 0.025 181.2)
-
Step 300
300
#A2CBC2
oklch(81% 0.045 180.2)
-
Step 400
400
#6CB0A2
oklch(70.8% 0.073 179.5)
-
Step 500
500
#3D9C8C
oklch(63.2% 0.092 180.2)
-
Step 600
600
#058676
oklch(55.6% 0.1 180.4)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#025C51
oklch(42.6% 0.076 181)
-
Step 900
900 (this color)
#104A41
oklch(37% 0.06 180.1)
-
Step 950
950
#0E2C27
oklch(26.9% 0.037 180.8)
#104A41 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) | #464541 | 0.063 |
| Deuteranopia (no green cones) | #3E3F42 | 0.060 |
| Tritanopia (no blue cones) | #004B47 | 0.011 |
| Achromatopsia (no color) | #424242 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104A41
#104A41
oklch(37% 0.06 180.1)
- #5A323E
#5A323E
oklch(37.1% 0.06 1.1)
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 #104A41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.021
- Dark Blue Green #005249 ΔE 0.026
- Evergreen #05472A ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.042
- Charcoal #264653 ΔE 0.043
- Deep Teal #00555A ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.054
- Pine Green #0A481E ΔE 0.054
Use #104A41 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.