#0F5866
Closest named color: Petrol (#005F6A). oklch(42.5% 0.07 214.4), rgb(15, 88, 102).
Aa
White text reads best on this color (8.05:1).
About this color
#0F5866 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.070 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.021 away. White text reads best on it, at 8.05:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #0F5866 |
| RGB | rgb(15, 88, 102) |
| HSL | hsl(190, 74%, 23%) |
| OKLCH | oklch(42.5% 0.07 214.4) |
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 #0F5866 | 8.05:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #0F5866 | 2.60:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #0F5866 text on white | 8.05:1 | AAA | Lc 87.5 | Fine for body text |
| #0F5866 text on black | 2.60:1 | Fails | Lc -14.6 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A3C8D1
oklch(80.9% 0.041 214.2)
-
Step 400
400
#70ABBA
oklch(70.6% 0.065 215.5)
-
Step 500
500
#4496A9
oklch(63% 0.084 215.3)
-
Step 600
600
#1C8194
oklch(55.7% 0.091 213.9)
-
Step 700
700
#096C7E
oklch(49% 0.084 214.9)
-
Step 800
800 (this color)
#0F5866
oklch(42.5% 0.07 214.4)
-
Step 900
900
#184953
oklch(37.7% 0.054 213.6)
-
Step 950
950
#102B31
oklch(27.1% 0.034 214.3)
#0F5866 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) | #4E5567 | 0.063 |
| Deuteranopia (no green cones) | #434D66 | 0.056 |
| Tritanopia (no blue cones) | #005D5C | 0.027 |
| Achromatopsia (no color) | #505050 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F5866
#0F5866
oklch(42.5% 0.07 214.4)
- #704034
#704034
oklch(42.6% 0.07 34.9)
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 #0F5866, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.021
- Deep Teal #00555A ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.043
- Dark Teal #014D4E ΔE 0.049
- Dark Blue Green #005249 ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.052
- Dark Aqua #05696B ΔE 0.053
Use #0F5866 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.