#115C64
Closest named color: Petrol (#005F6A). oklch(43.6% 0.069 206), rgb(17, 92, 100).
Aa
White text reads best on this color (7.66:1).
About this color
#115C64 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.069 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.012 away. White text reads best on it, at 7.66:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #115C64 |
| RGB | rgb(17, 92, 100) |
| HSL | hsl(186, 71%, 23%) |
| OKLCH | oklch(43.6% 0.069 206) |
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 #115C64 | 7.66:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #115C64 | 2.73:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #115C64 text on white | 7.66:1 | AAA | Lc 86.3 | Fine for body text |
| #115C64 text on black | 2.73:1 | Fails | Lc -15.8 | Dividers and decoration only |
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
#F1F6F7
oklch(97% 0.005 211)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A3C9CD
oklch(81% 0.041 204.3)
-
Step 400
400
#6FADB4
oklch(70.8% 0.065 204.9)
-
Step 500
500
#4398A2
oklch(63.2% 0.083 205.8)
-
Step 600
600
#18828D
oklch(55.6% 0.09 205.9)
-
Step 700
700
#026E78
oklch(49.2% 0.084 205.9)
-
Step 800
800 (this color)
#115C64
oklch(43.6% 0.069 206)
-
Step 900
900
#164A50
oklch(37.8% 0.054 206)
-
Step 950
950
#0F2B2F
oklch(26.9% 0.034 207.9)
#115C64 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) | #535865 | 0.067 |
| Deuteranopia (no green cones) | #485064 | 0.061 |
| Tritanopia (no blue cones) | #00605E | 0.019 |
| Achromatopsia (no color) | #535353 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #115C64
#115C64
oklch(43.6% 0.069 206)
- #73423D
#73423D
oklch(43.7% 0.069 26.5)
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 #115C64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.012
- Deep Teal #00555A ΔE 0.027
- Dark Green Blue #1F6357 ΔE 0.037
- Dark Aqua #05696B ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.046
- Dark Blue Green #005249 ΔE 0.051
- Dark Teal #014D4E ΔE 0.056
- YInMn Blue #415A77 ΔE 0.057
Use #115C64 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.