#104A4A
Closest named color: Dark Teal (#014D4E). oklch(37.4% 0.057 195), rgb(16, 74, 74).
Aa
White text reads best on this color (9.99:1).
About this color
#104A4A is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.057 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.011 away. White text reads best on it, at 9.99:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #104A4A |
| RGB | rgb(16, 74, 74) |
| HSL | hsl(180, 64%, 18%) |
| OKLCH | oklch(37.4% 0.057 195) |
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 #104A4A | 9.99:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #104A4A | 2.10:1 | Fails | Lc 11.0 | Not readable |
| #104A4A text on white | 9.99:1 | AAA | Lc 92.9 | Preferred for body text |
| #104A4A text on black | 2.10:1 | Fails | Lc -9.5 | 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
#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
#6BAEAE
oklch(70.6% 0.068 195.7)
-
Step 500
500
#3C9A9A
oklch(63.1% 0.087 195.2)
-
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)
#104A4A
oklch(37.4% 0.057 195)
-
Step 950
950
#0D2C2C
oklch(27% 0.036 195.2)
#104A4A 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) | #45464A | 0.060 |
| Deuteranopia (no green cones) | #3C404A | 0.055 |
| Tritanopia (no blue cones) | #004D4A | 0.011 |
| Achromatopsia (no color) | #424242 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104A4A
#104A4A
oklch(37.4% 0.057 195)
- #5B3437
#5B3437
oklch(37.4% 0.056 15.2)
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 #104A4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.011
- Dark Blue Green #005249 ΔE 0.028
- Charcoal #264653 ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.035
- Deep Teal #00555A ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.053
Use #104A4A 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.