#306171
Closest named color: YInMn Blue (#415A77). oklch(46.5% 0.059 221.7), rgb(48, 97, 113).
Aa
White text reads best on this color (6.83:1).
About this color
#306171 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.059 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.031 away. White text reads best on it, at 6.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #306171 |
| RGB | rgb(48, 97, 113) |
| HSL | hsl(195, 40%, 32%) |
| OKLCH | oklch(46.5% 0.059 221.7) |
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 #306171 | 6.83:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #306171 | 3.07:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #306171 text on white | 6.83:1 | AA | Lc 83.4 | Fine for body text |
| #306171 text on black | 3.07:1 | AA large text | Lc -18.5 | 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
#AEC5CE
oklch(80.9% 0.028 223.3)
-
Step 400
400
#82A8B5
oklch(70.8% 0.045 220.8)
-
Step 500
500
#6192A3
oklch(63.1% 0.058 221.8)
-
Step 600
600
#467C8E
oklch(55.6% 0.064 221.6)
-
Step 700
700 (this color)
#306171
oklch(46.5% 0.059 221.7)
-
Step 800
800
#2F5562
oklch(42.7% 0.048 222.1)
-
Step 900
900
#2A4650
oklch(37.6% 0.038 222.7)
-
Step 950
950
#19292F
oklch(26.9% 0.024 223.4)
#306171 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) | #585F72 | 0.049 |
| Deuteranopia (no green cones) | #4E5871 | 0.043 |
| Tritanopia (no blue cones) | #006666 | 0.038 |
| Achromatopsia (no color) | #5B5B5B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306171
#306171
oklch(46.5% 0.059 221.7)
- #764E3F
#764E3F
oklch(46.4% 0.059 41.4)
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 #306171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.031
- Petrol #005F6A ΔE 0.031
- Dark Aqua #05696B ΔE 0.036
- Slate #516572 ΔE 0.042
- Denim #3B638C ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.049
- Dusty Grape #545775 ΔE 0.053
Use #306171 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.