#2B6066
Closest named color: Petrol (#005F6A). oklch(45.6% 0.057 205.3), rgb(43, 96, 102).
Aa
White text reads best on this color (7.07:1).
About this color
#2B6066 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.057 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.023 away. White text reads best on it, at 7.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #2B6066 |
| RGB | rgb(43, 96, 102) |
| HSL | hsl(186, 41%, 28%) |
| OKLCH | oklch(45.6% 0.057 205.3) |
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 #2B6066 | 7.07:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #2B6066 | 2.96:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #2B6066 text on white | 7.07:1 | AAA | Lc 84.4 | Fine for body text |
| #2B6066 text on black | 2.96:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A9C7CB
oklch(80.9% 0.033 206.4)
-
Step 400
400
#79ABB0
oklch(70.8% 0.053 203.8)
-
Step 500
500
#54969D
oklch(63.2% 0.068 204.4)
-
Step 600
600
#358088
oklch(55.6% 0.074 204.9)
-
Step 700
700
#276C73
oklch(49.1% 0.069 204.6)
-
Step 800
800 (this color)
#2B6066
oklch(45.6% 0.057 205.3)
-
Step 900
900
#22484D
oklch(37.6% 0.044 206.7)
-
Step 950
950
#152A2D
oklch(26.9% 0.027 207.4)
#2B6066 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) | #595C66 | 0.056 |
| Deuteranopia (no green cones) | #505566 | 0.053 |
| Tritanopia (no blue cones) | #006462 | 0.026 |
| Achromatopsia (no color) | #585858 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B6066
#2B6066
oklch(45.6% 0.057 205.3)
- #734A47
#734A47
oklch(45.5% 0.057 24.1)
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 #2B6066, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.023
- Dark Aqua #05696B ΔE 0.030
- Dark Green Blue #1F6357 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.046
- Deep Teal #00555A ΔE 0.048
- Slate #516572 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.057
- Deep Turquoise #017374 ΔE 0.057
Use #2B6066 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.