#276166
Closest named color: Petrol (#005F6A). oklch(45.7% 0.06 203), rgb(39, 97, 102).
Aa
White text reads best on this color (7.02:1).
About this color
#276166 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.060 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.021 away. White text reads best on it, at 7.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.98:1 |
| White text | 7.02:1 |
Values
| HEX | #276166 |
| RGB | rgb(39, 97, 102) |
| HSL | hsl(185, 45%, 28%) |
| OKLCH | oklch(45.7% 0.06 203) |
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 #276166 | 7.02:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #276166 | 2.98:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #276166 text on white | 7.02:1 | AAA | Lc 84.2 | Fine for body text |
| #276166 text on black | 2.98:1 | Fails | Lc -17.8 | 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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A7C8CB
oklch(81% 0.036 203.2)
-
Step 400
400
#76ABB0
oklch(70.6% 0.056 203.4)
-
Step 500
500
#4F969D
oklch(63% 0.072 203.9)
-
Step 600
600
#2F8188
oklch(55.7% 0.078 203.1)
-
Step 700
700
#206D73
oklch(49.2% 0.073 202.6)
-
Step 800
800 (this color)
#276166
oklch(45.7% 0.06 203)
-
Step 900
900
#1F494D
oklch(37.7% 0.047 203.7)
-
Step 950
950
#132B2D
oklch(27.1% 0.03 202.6)
#276166 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) | #5A5D66 | 0.061 |
| Deuteranopia (no green cones) | #505666 | 0.055 |
| Tritanopia (no blue cones) | #006562 | 0.023 |
| Achromatopsia (no color) | #595959 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276166
#276166
oklch(45.7% 0.06 203)
- #754A47
#754A47
oklch(45.7% 0.059 24)
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 #276166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.021
- Dark Aqua #05696B ΔE 0.026
- Dark Green Blue #1F6357 ΔE 0.029
- Deep Teal #00555A ΔE 0.049
- YInMn Blue #415A77 ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.054
- Deep Turquoise #017374 ΔE 0.054
- Slate #516572 ΔE 0.054
Use #276166 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.