#005366
Closest named color: Deep Teal (#00555A). oklch(40.9% 0.075 220.1), rgb(0, 83, 102).
Aa
White text reads best on this color (8.64:1).
About this color
#005366 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.075 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.024 away. White text reads best on it, at 8.64:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #005366 |
| RGB | rgb(0, 83, 102) |
| HSL | hsl(191, 100%, 20%) |
| OKLCH | oklch(40.9% 0.075 220.1) |
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 #005366 | 8.64:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #005366 | 2.42:1 | Fails | Lc 14.8 | Not readable |
| #005366 text on white | 8.64:1 | AAA | Lc 89.2 | Fine for body text |
| #005366 text on black | 2.42:1 | Fails | Lc -13.1 | 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 800.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A2C8D4
oklch(80.9% 0.044 219)
-
Step 400
400
#6DABBF
oklch(70.6% 0.07 220.4)
-
Step 500
500
#4196AF
oklch(63.1% 0.089 220.3)
-
Step 600
600
#14809A
oklch(55.6% 0.097 219.7)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800 (this color)
#005366
oklch(40.9% 0.075 220.1)
-
Step 900
900
#154957
oklch(37.8% 0.058 219.4)
-
Step 950
950
#0F2B33
oklch(27.1% 0.037 219.3)
#005366 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) | #475067 | 0.061 |
| Deuteranopia (no green cones) | #3B4866 | 0.054 |
| Tritanopia (no blue cones) | #005959 | 0.034 |
| Achromatopsia (no color) | #4C4C4C | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005366
#005366
oklch(40.9% 0.075 220.1)
- #6C3B2A
#6C3B2A
oklch(40.9% 0.075 39.8)
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 #005366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.024
- Petrol #005F6A ΔE 0.038
- Dark Teal #014D4E ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.044
- Charcoal #264653 ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.048
- Dark Blue Green #005249 ΔE 0.050
Use #005366 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.