#0A5165
Closest named color: Deep Teal (#00555A). oklch(40.5% 0.072 223), rgb(10, 81, 101).
Aa
White text reads best on this color (8.83:1).
About this color
#0A5165 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 40%, its chroma 0.072 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.026 away. White text reads best on it, at 8.83:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #0A5165 |
| RGB | rgb(10, 81, 101) |
| HSL | hsl(193, 82%, 22%) |
| OKLCH | oklch(40.5% 0.072 223) |
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 #0A5165 | 8.83:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #0A5165 | 2.37:1 | Fails | Lc 14.2 | Not readable |
| #0A5165 text on white | 8.83:1 | AAA | Lc 89.8 | Fine for body text |
| #0A5165 text on black | 2.37:1 | Fails | Lc -12.4 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A4C7D4
oklch(80.8% 0.042 222.4)
-
Step 400
400
#71AABF
oklch(70.6% 0.067 223.2)
-
Step 500
500
#4795AF
oklch(63.1% 0.086 222.6)
-
Step 600
600
#227F9B
oklch(55.7% 0.093 222.9)
-
Step 700
700
#126B84
oklch(49.1% 0.086 222.7)
-
Step 800
800 (this color)
#0A5165
oklch(40.5% 0.072 223)
-
Step 900
900
#1A4857
oklch(37.7% 0.056 222.8)
-
Step 950
950
#112A33
oklch(26.9% 0.035 224)
#0A5165 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) | #464F66 | 0.057 |
| Deuteranopia (no green cones) | #3A4765 | 0.049 |
| Tritanopia (no blue cones) | #005758 | 0.034 |
| Achromatopsia (no color) | #4A4A4A | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A5165
#0A5165
oklch(40.5% 0.072 223)
- #693B28
#693B28
oklch(40.4% 0.072 42.8)
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 #0A5165, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.026
- Dark Grey Blue #29465B ΔE 0.037
- Dark Teal #014D4E ΔE 0.040
- Charcoal #264653 ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.042
- Petrol #005F6A ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.048
- Dark Blue Green #005249 ΔE 0.051
Use #0A5165 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.