#2A6171
Closest named color: Petrol (#005F6A). oklch(46.3% 0.063 219.7), rgb(42, 97, 113).
Aa
White text reads best on this color (6.89:1).
About this color
#2A6171 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.063 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.027 away. White text reads best on it, at 6.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.04:1 |
| White text | 6.89:1 |
Values
| HEX | #2A6171 |
| RGB | rgb(42, 97, 113) |
| HSL | hsl(194, 46%, 30%) |
| OKLCH | oklch(46.3% 0.063 219.7) |
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 #2A6171 | 6.89:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #2A6171 | 3.04:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #2A6171 text on white | 6.89:1 | AA | Lc 83.6 | Fine for body text |
| #2A6171 text on black | 3.04:1 | AA large text | Lc -18.3 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ACC6CE
oklch(81% 0.03 218.3)
-
Step 400
400
#7FA8B6
oklch(70.7% 0.049 220.9)
-
Step 500
500
#5D93A4
oklch(63.2% 0.063 219.9)
-
Step 600
600
#417D8F
oklch(55.7% 0.068 219.7)
-
Step 700
700 (this color)
#2A6171
oklch(46.3% 0.063 219.7)
-
Step 800
800
#2B5663
oklch(42.8% 0.052 219.9)
-
Step 900
900
#274750
oklch(37.7% 0.041 217.9)
-
Step 950
950
#18292F
oklch(26.9% 0.025 222.2)
#2A6171 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) | #575E72 | 0.053 |
| Deuteranopia (no green cones) | #4D5771 | 0.047 |
| Tritanopia (no blue cones) | #006666 | 0.034 |
| Achromatopsia (no color) | #5A5A5A | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A6171
#2A6171
oklch(46.3% 0.063 219.7)
- #774C3E
#774C3E
oklch(46.2% 0.063 38.8)
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 #2A6171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.027
- Dark Aqua #05696B ΔE 0.034
- YInMn Blue #415A77 ΔE 0.035
- Slate #516572 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.048
- Denim #3B638C ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.049
- Deep Turquoise #017374 ΔE 0.056
Use #2A6171 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.