#316166
Closest named color: Petrol (#005F6A). oklch(46.1% 0.053 204.3), rgb(49, 97, 102).
Aa
White text reads best on this color (6.92:1).
About this color
#316166 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.053 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.029 away. White text reads best on it, at 6.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.03:1 |
| White text | 6.92:1 |
Values
| HEX | #316166 |
| RGB | rgb(49, 97, 102) |
| HSL | hsl(186, 35%, 30%) |
| OKLCH | oklch(46.1% 0.053 204.3) |
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 #316166 | 6.92:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #316166 | 3.03:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #316166 text on white | 6.92:1 | AA | Lc 83.8 | Fine for body text |
| #316166 text on black | 3.03:1 | AA large text | Lc -18.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AEC6C8
oklch(80.9% 0.026 202.8)
-
Step 400
400
#83A8AC
oklch(70.6% 0.041 204.5)
-
Step 500
500
#639398
oklch(63.1% 0.052 204.2)
-
Step 600
600
#497D83
oklch(55.6% 0.056 205.1)
-
Step 700
700 (this color)
#316166
oklch(46.1% 0.053 204.3)
-
Step 800
800
#30565A
oklch(42.7% 0.044 204.3)
-
Step 900
900
#2B474A
oklch(37.7% 0.034 204.4)
-
Step 950
950
#1A2A2B
oklch(27.1% 0.021 200.9)
#316166 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 | 0.052 |
| Deuteranopia (no green cones) | #525766 | 0.049 |
| Tritanopia (no blue cones) | #116462 | 0.025 |
| Achromatopsia (no color) | #5A5A5A | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #316166
#316166
oklch(46.1% 0.053 204.3)
- #734D4A
#734D4A
oklch(46.1% 0.052 24.3)
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 #316166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.029
- Dark Aqua #05696B ΔE 0.030
- Dark Green Blue #1F6357 ΔE 0.033
- YInMn Blue #415A77 ΔE 0.045
- Slate #516572 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.055
- Deep Teal #00555A ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.055
Use #316166 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.