#104B45
Closest named color: Dark Teal (#014D4E). oklch(37.5% 0.059 185), rgb(16, 75, 69).
Aa
White text reads best on this color (9.93:1).
About this color
#104B45 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.059 and its hue 185°. 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 9.93:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.11:1 |
| White text | 9.93:1 |
Values
| HEX | #104B45 |
| RGB | rgb(16, 75, 69) |
| HSL | hsl(174, 65%, 18%) |
| OKLCH | oklch(37.5% 0.059 185) |
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 #104B45 | 9.93:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #104B45 | 2.11:1 | Fails | Lc 11.2 | Not readable |
| #104B45 text on white | 9.93:1 | AAA | Lc 92.8 | Preferred for body text |
| #104B45 text on black | 2.11:1 | Fails | Lc -9.7 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C8DFDB
oklch(88.5% 0.025 184.2)
-
Step 300
300
#A1CAC4
oklch(80.8% 0.044 185.4)
-
Step 400
400
#6BAFA6
oklch(70.6% 0.071 185.1)
-
Step 500
500
#3B9B91
oklch(63% 0.09 185.6)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900 (this color)
#104B45
oklch(37.5% 0.059 185)
-
Step 950
950
#0D2C29
oklch(26.9% 0.037 186.6)
#104B45 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) | #474645 | 0.063 |
| Deuteranopia (no green cones) | #3E4046 | 0.059 |
| Tritanopia (no blue cones) | #004D49 | 0.009 |
| Achromatopsia (no color) | #434343 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104B45
#104B45
oklch(37.5% 0.059 185)
- #5B333D
#5B333D
oklch(37.4% 0.059 4.2)
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 #104B45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.015
- Dark Blue Green #005249 ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.037
- Charcoal #264653 ΔE 0.039
- Deep Teal #00555A ΔE 0.041
- Evergreen #05472A ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.053
Use #104B45 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.