#104B4B
Closest named color: Dark Teal (#014D4E). oklch(37.7% 0.058 195), rgb(16, 75, 75).
Aa
White text reads best on this color (9.85:1).
About this color
#104B4B is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.058 and its hue 195°. 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 9.85:1.
| 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 | 9.85:1 |
Values
| HEX | #104B4B |
| RGB | rgb(16, 75, 75) |
| HSL | hsl(180, 65%, 18%) |
| OKLCH | oklch(37.7% 0.058 195) |
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 #104B4B | 9.85:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #104B4B | 2.13:1 | Fails | Lc 11.4 | Not readable |
| #104B4B text on white | 9.85:1 | AAA | Lc 92.6 | Preferred for body text |
| #104B4B 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
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C8DEDE
oklch(88.4% 0.023 196.7)
-
Step 300
300
#A1CAC9
oklch(80.9% 0.043 194.5)
-
Step 400
400
#6AAEAE
oklch(70.6% 0.069 195.7)
-
Step 500
500
#3A9A9A
oklch(63.1% 0.088 195.1)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900 (this color)
#104B4B
oklch(37.7% 0.058 195)
-
Step 950
950
#0D2C2C
oklch(27% 0.036 195.2)
#104B4B 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) | #46474B | 0.061 |
| Deuteranopia (no green cones) | #3D414B | 0.055 |
| Tritanopia (no blue cones) | #004E4B | 0.011 |
| Achromatopsia (no color) | #434343 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104B4B
#104B4B
oklch(37.7% 0.058 195)
- #5C3438
#5C3438
oklch(37.6% 0.058 13.8)
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 #104B4B, 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 0.025
- Charcoal #264653 ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.033
- Deep Teal #00555A ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.051
- Evergreen #05472A ΔE 0.055
Use #104B4B 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.