#276666
Closest named color: Dark Aqua (#05696B). oklch(47% 0.064 195.2), rgb(39, 102, 102).
Aa
White text reads best on this color (6.60:1).
About this color
#276666 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.064 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.016 away. White text reads best on it, at 6.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.17:1 |
| White text | 6.60:1 |
Values
| HEX | #276666 |
| RGB | rgb(39, 102, 102) |
| HSL | hsl(180, 45%, 28%) |
| OKLCH | oklch(47% 0.064 195.2) |
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 #276666 | 6.60:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #276666 | 3.17:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #276666 text on white | 6.60:1 | AA | Lc 82.5 | Fine for body text |
| #276666 text on black | 3.17:1 | AA large text | Lc -19.4 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#ABC7C7
oklch(80.9% 0.03 196.6)
-
Step 400
400
#7CABAA
oklch(70.7% 0.05 194.4)
-
Step 500
500
#599695
oklch(63.2% 0.063 194.3)
-
Step 600
600
#3C8080
oklch(55.6% 0.069 195.4)
-
Step 700
700 (this color)
#276666
oklch(47% 0.064 195.2)
-
Step 800
800
#275858
oklch(42.7% 0.053 195.4)
-
Step 900
900
#254948
oklch(37.8% 0.042 193.2)
-
Step 950
950
#162A2A
oklch(26.8% 0.026 195.7)
#276666 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) | #606166 | 0.067 |
| Deuteranopia (no green cones) | #555A66 | 0.061 |
| Tritanopia (no blue cones) | #006966 | 0.018 |
| Achromatopsia (no color) | #5D5D5D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276666
#276666
oklch(47% 0.064 195.2)
- #7B4C4F
#7B4C4F
oklch(47.1% 0.064 15.6)
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 #276666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.016
- Dark Green Blue #1F6357 ΔE 0.026
- Petrol #005F6A ΔE 0.033
- Dark Aquamarine #017371 ΔE 0.039
- Deep Turquoise #017374 ΔE 0.040
- Slate #516572 ΔE 0.052
- Deep Aqua #08787F ΔE 0.058
- YInMn Blue #415A77 ΔE 0.059
Use #276666 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.