#104D55
Closest named color: Dark Teal (#014D4E). oklch(38.7% 0.06 208.1), rgb(16, 77, 85).
Aa
White text reads best on this color (9.48:1).
About this color
#104D55 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.060 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.015 away. White text reads best on it, at 9.48:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.21:1 |
| White text | 9.48:1 |
Values
| HEX | #104D55 |
| RGB | rgb(16, 77, 85) |
| HSL | hsl(187, 68%, 20%) |
| OKLCH | oklch(38.7% 0.06 208.1) |
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 #104D55 | 9.48:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #104D55 | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #104D55 text on white | 9.48:1 | AAA | Lc 91.6 | Preferred for body text |
| #104D55 text on black | 2.21:1 | Fails | Lc -10.7 | 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
#E0ECEE
oklch(93.5% 0.013 208.8)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300
#9FC9D0
oklch(80.8% 0.045 208.8)
-
Step 400
400
#67AEB8
oklch(70.8% 0.073 207.2)
-
Step 500
500
#3599A7
oklch(63.2% 0.092 208.3)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900 (this color)
#104D55
oklch(38.7% 0.06 208.1)
-
Step 950
950
#0B2C30
oklch(27.1% 0.038 206.4)
#104D55 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) | #454A56 | 0.057 |
| Deuteranopia (no green cones) | #3C4355 | 0.052 |
| Tritanopia (no blue cones) | #00514F | 0.020 |
| Achromatopsia (no color) | #464646 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104D55
#104D55
oklch(38.7% 0.06 208.1)
- #603732
#603732
oklch(38.6% 0.06 27.6)
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 #104D55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.015
- Deep Teal #00555A ΔE 0.025
- Charcoal #264653 ΔE 0.026
- Dark Slate Gray #2F4F4F ΔE 0.029
- Dark Blue Green #005249 ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.057
Use #104D55 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.