#366170
Closest named color: YInMn Blue (#415A77). oklch(46.8% 0.054 222.6), rgb(54, 97, 112).
Aa
White text reads best on this color (6.77:1).
About this color
#366170 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.054 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.030 away. White text reads best on it, at 6.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.10:1 |
| White text | 6.77:1 |
Values
| HEX | #366170 |
| RGB | rgb(54, 97, 112) |
| HSL | hsl(196, 35%, 33%) |
| OKLCH | oklch(46.8% 0.054 222.6) |
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 #366170 | 6.77:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #366170 | 3.10:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #366170 text on white | 6.77:1 | AA | Lc 83.2 | Fine for body text |
| #366170 text on black | 3.10:1 | AA large text | Lc -18.7 | 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
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDBE0
oklch(88.4% 0.015 224.5)
-
Step 300
300
#AFC5CD
oklch(80.9% 0.026 221.6)
-
Step 400
400
#85A7B4
oklch(70.7% 0.042 223.2)
-
Step 500
500
#6691A1
oklch(63.1% 0.053 223.1)
-
Step 600
600
#4C7B8C
oklch(55.6% 0.058 223)
-
Step 700
700 (this color)
#366170
oklch(46.8% 0.054 222.6)
-
Step 800
800
#325561
oklch(42.8% 0.045 221.9)
-
Step 900
900
#2D464F
oklch(37.8% 0.034 222.5)
-
Step 950
950
#1A292E
oklch(27% 0.022 220.6)
#366170 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) | #585F71 | 0.043 |
| Deuteranopia (no green cones) | #505870 | 0.040 |
| Tritanopia (no blue cones) | #166666 | 0.036 |
| Achromatopsia (no color) | #5B5B5B | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #366170
#366170
oklch(46.8% 0.054 222.6)
- #745042
#745042
oklch(46.7% 0.054 42.1)
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 #366170, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.030
- Petrol #005F6A ΔE 0.036
- Slate #516572 ΔE 0.037
- Dark Aqua #05696B ΔE 0.039
- Denim #3B638C ΔE 0.046
- Dusty Grape #545775 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.051
Use #366170 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.