#016581
Closest named color: Peacock Blue (#016795). oklch(47.2% 0.089 225.3), rgb(1, 101, 129).
Aa
White text reads best on this color (6.60:1).
About this color
#016581 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 47%, its chroma 0.089 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.032 away. White text reads best on it, at 6.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.17:1 |
| White text | 6.60:1 |
Values
| HEX | #016581 |
| RGB | rgb(1, 101, 129) |
| HSL | hsl(193, 98%, 25%) |
| OKLCH | oklch(47.2% 0.089 225.3) |
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 #016581 | 6.60:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #016581 | 3.17:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #016581 text on white | 6.60:1 | AA | Lc 82.1 | Fine for body text |
| #016581 text on black | 3.17:1 | AA large text | Lc -19.8 | 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 700.
-
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
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A4C7D6
oklch(80.9% 0.043 225.7)
-
Step 400
400
#70AAC1
oklch(70.7% 0.069 225)
-
Step 500
500
#4695B2
oklch(63.2% 0.088 225)
-
Step 600
600
#207E9E
oklch(55.5% 0.096 226.1)
-
Step 700
700 (this color)
#016581
oklch(47.2% 0.089 225.3)
-
Step 800
800
#12576D
oklch(42.7% 0.074 224.7)
-
Step 900
900
#194859
oklch(37.8% 0.058 225.5)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#016581 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) | #566382 | 0.068 |
| Deuteranopia (no green cones) | #465881 | 0.058 |
| Tritanopia (no blue cones) | #006D6E | 0.046 |
| Achromatopsia (no color) | #5D5D5D | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #016581
#016581
oklch(47.2% 0.089 225.3)
- #844A2E
#844A2E
oklch(47.2% 0.089 45.7)
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 #016581, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.032
- Petrol #005F6A ΔE 0.039
- Denim #3B638C ΔE 0.041
- Dark Aqua #05696B ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.048
- Sea Blue #047495 ΔE 0.051
- Ocean Blue #03719C ΔE 0.051
Use #016581 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.