#064C5C
Closest named color: Dark Teal (#014D4E). oklch(38.6% 0.067 218.8), rgb(6, 76, 92).
Aa
White text reads best on this color (9.56:1).
About this color
#064C5C is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.067 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.026 away. White text reads best on it, at 9.56:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #064C5C |
| RGB | rgb(6, 76, 92) |
| HSL | hsl(191, 88%, 19%) |
| OKLCH | oklch(38.6% 0.067 218.8) |
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 #064C5C | 9.56:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #064C5C | 2.19:1 | Fails | Lc 12.2 | Not readable |
| #064C5C text on white | 9.56:1 | AAA | Lc 91.7 | Preferred for body text |
| #064C5C text on black | 2.19:1 | Fails | Lc -10.6 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300
#9DC9D7
oklch(80.9% 0.05 219.3)
-
Step 400
400
#62ADC3
oklch(70.7% 0.081 218.9)
-
Step 500
500
#2998B3
oklch(63.1% 0.103 218.3)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900 (this color)
#064C5C
oklch(38.6% 0.067 218.8)
-
Step 950
950
#082B34
oklch(26.9% 0.042 218.6)
#064C5C 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) | #424A5D | 0.057 |
| Deuteranopia (no green cones) | #37425C | 0.050 |
| Tritanopia (no blue cones) | #005151 | 0.029 |
| Achromatopsia (no color) | #454545 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064C5C
#064C5C
oklch(38.6% 0.067 218.8)
- #623628
#623628
oklch(38.5% 0.067 38.4)
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 #064C5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.026
- Charcoal #264653 ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.029
- Deep Teal #00555A ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Blue Green #005249 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.055
- Midnight Green #073B4C ΔE 0.058
Use #064C5C 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.