#1B6070
Closest named color: Petrol (#005F6A). oklch(45.4% 0.071 216.8), rgb(27, 96, 112).
Aa
White text reads best on this color (7.10:1).
About this color
#1B6070 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.071 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.016 away. White text reads best on it, at 7.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #1B6070 |
| RGB | rgb(27, 96, 112) |
| HSL | hsl(191, 61%, 27%) |
| OKLCH | oklch(45.4% 0.071 216.8) |
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 #1B6070 | 7.10:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #1B6070 | 2.95:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #1B6070 text on white | 7.10:1 | AAA | Lc 84.4 | Fine for body text |
| #1B6070 text on black | 2.95:1 | Fails | Lc -17.6 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A3C8D2
oklch(80.9% 0.042 216)
-
Step 400
400
#6FABBB
oklch(70.6% 0.066 216.5)
-
Step 500
500
#4496AB
oklch(63.1% 0.085 217.2)
-
Step 600
600
#1C8096
oklch(55.6% 0.092 216.8)
-
Step 700
700
#086C80
oklch(49.1% 0.086 216.9)
-
Step 800
800 (this color)
#1B6070
oklch(45.4% 0.071 216.8)
-
Step 900
900
#184955
oklch(37.8% 0.055 217)
-
Step 950
950
#102B31
oklch(27.1% 0.034 214.3)
#1B6070 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) | #555D71 | 0.061 |
| Deuteranopia (no green cones) | #4A5470 | 0.057 |
| Tritanopia (no blue cones) | #006665 | 0.032 |
| Achromatopsia (no color) | #585858 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B6070
#1B6070
oklch(45.4% 0.071 216.8)
- #78483A
#78483A
oklch(45.4% 0.07 37)
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 #1B6070, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.016
- Dark Aqua #05696B ΔE 0.033
- YInMn Blue #415A77 ΔE 0.042
- Dark Green Blue #1F6357 ΔE 0.046
- Deep Teal #00555A ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.056
- Denim #3B638C ΔE 0.056
Use #1B6070 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.