#104F61
Closest named color: Deep Teal (#00555A). oklch(39.8% 0.067 222), rgb(16, 79, 97).
Aa
White text reads best on this color (9.07:1).
About this color
#104F61 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.067 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.026 away. White text reads best on it, at 9.07:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.31:1 |
| White text | 9.07:1 |
Values
| HEX | #104F61 |
| RGB | rgb(16, 79, 97) |
| HSL | hsl(193, 72%, 22%) |
| OKLCH | oklch(39.8% 0.067 222) |
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 #104F61 | 9.07:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #104F61 | 2.31:1 | Fails | Lc 13.4 | Not readable |
| #104F61 text on white | 9.07:1 | AAA | Lc 90.6 | Preferred for body text |
| #104F61 text on black | 2.31:1 | Fails | Lc -11.8 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300
#9EC9D8
oklch(81% 0.05 221.2)
-
Step 400
400
#64ACC5
oklch(70.7% 0.081 222.5)
-
Step 500
500
#2E97B6
oklch(63.1% 0.103 222.1)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900 (this color)
#104F61
oklch(39.8% 0.067 222)
-
Step 950
950
#092B35
oklch(27% 0.042 221.3)
#104F61 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) | #444D62 | 0.053 |
| Deuteranopia (no green cones) | #3A4561 | 0.048 |
| Tritanopia (no blue cones) | #005555 | 0.033 |
| Achromatopsia (no color) | #484848 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104F61
#104F61
oklch(39.8% 0.067 222)
- #653A29
#653A29
oklch(39.7% 0.067 42.1)
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 #104F61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.026
- Dark Grey Blue #29465B ΔE 0.031
- Charcoal #264653 ΔE 0.033
- Dark Teal #014D4E ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Blue Green #005249 ΔE 0.047
- Petrol #005F6A ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.055
Use #104F61 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.