#0C515A
Closest named color: Deep Teal (#00555A). oklch(40% 0.065 208.5), rgb(12, 81, 90).
Aa
White text reads best on this color (8.97:1).
About this color
#0C515A is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.065 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.013 away. White text reads best on it, at 8.97:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.34:1 |
| White text | 8.97:1 |
Values
| HEX | #0C515A |
| RGB | rgb(12, 81, 90) |
| HSL | hsl(187, 76%, 20%) |
| OKLCH | oklch(40% 0.065 208.5) |
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 #0C515A | 8.97:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #0C515A | 2.34:1 | Fails | Lc 13.7 | Not readable |
| #0C515A text on white | 8.97:1 | AAA | Lc 90.2 | Preferred for body text |
| #0C515A text on black | 2.34:1 | Fails | Lc -12.0 | 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
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C6DEE3
oklch(88.4% 0.026 211.6)
-
Step 300
300
#9DCAD1
oklch(80.9% 0.048 208)
-
Step 400
400
#62AEBA
oklch(70.6% 0.077 208.7)
-
Step 500
500
#289AA9
oklch(63.2% 0.099 208.2)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900 (this color)
#0C515A
oklch(40% 0.065 208.5)
-
Step 950
950
#072C31
oklch(27% 0.041 208.1)
#0C515A 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) | #494E5B | 0.062 |
| Deuteranopia (no green cones) | #3E465A | 0.056 |
| Tritanopia (no blue cones) | #005554 | 0.020 |
| Achromatopsia (no color) | #494949 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C515A
#0C515A
oklch(40% 0.065 208.5)
- #663A33
#663A33
oklch(40% 0.064 29.8)
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 #0C515A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.013
- Dark Teal #014D4E ΔE 0.023
- Dark Slate Gray #2F4F4F ΔE 0.029
- Dark Blue Green #005249 ΔE 0.032
- Charcoal #264653 ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.040
- Petrol #005F6A ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.064
Use #0C515A 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.