#104F64
Closest named color: Deep Teal (#00555A). oklch(40% 0.069 225.7), rgb(16, 79, 100).
Aa
White text reads best on this color (9.03:1).
About this color
#104F64 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.030 away. White text reads best on it, at 9.03:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #104F64 |
| RGB | rgb(16, 79, 100) |
| HSL | hsl(195, 72%, 23%) |
| OKLCH | oklch(40% 0.069 225.7) |
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 #104F64 | 9.03:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #104F64 | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #104F64 text on white | 9.03:1 | AAA | Lc 90.4 | Preferred for body text |
| #104F64 text on black | 2.32:1 | Fails | Lc -11.9 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DEE8
oklch(88.6% 0.029 224.7)
-
Step 300
300
#9DC8DA
oklch(80.8% 0.052 225.4)
-
Step 400
400
#64ACC8
oklch(70.8% 0.083 225.2)
-
Step 500
500
#2D96BA
oklch(63% 0.106 225.7)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005871
oklch(42.8% 0.081 225.4)
-
Step 900
900 (this color)
#104F64
oklch(40% 0.069 225.7)
-
Step 950
950
#092B37
oklch(27.1% 0.044 225.6)
#104F64 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) | #444D65 | 0.053 |
| Deuteranopia (no green cones) | #384564 | 0.046 |
| Tritanopia (no blue cones) | #005556 | 0.036 |
| Achromatopsia (no color) | #494949 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104F64
#104F64
oklch(40% 0.069 225.7)
- #663B26
#663B26
oklch(40% 0.069 46.2)
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 #104F64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.031
- Charcoal #264653 ΔE 0.036
- Dark Teal #014D4E ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.050
- Petrol #005F6A ΔE 0.050
- Dark Blue Green #005249 ΔE 0.052
Use #104F64 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.