#366367
Closest named color: Dark Aqua (#05696B). oklch(46.9% 0.05 203), rgb(54, 99, 103).
Aa
White text reads best on this color (6.69:1).
About this color
#366367 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.050 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.030 away. White text reads best on it, at 6.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.13:1 |
| White text | 6.69:1 |
Values
| HEX | #366367 |
| RGB | rgb(54, 99, 103) |
| HSL | hsl(185, 31%, 31%) |
| OKLCH | oklch(46.9% 0.05 203) |
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 #366367 | 6.69:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #366367 | 3.13:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #366367 text on white | 6.69:1 | AA | Lc 82.9 | Fine for body text |
| #366367 text on black | 3.13:1 | AA large text | Lc -19.0 | 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
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AFC6C7
oklch(81% 0.025 199.9)
-
Step 400
400
#85A8AB
oklch(70.7% 0.038 202.8)
-
Step 500
500
#659397
oklch(63.2% 0.05 202.8)
-
Step 600
600
#4B7D81
oklch(55.6% 0.054 202.3)
-
Step 700
700 (this color)
#366367
oklch(46.9% 0.05 203)
-
Step 800
800
#325659
oklch(42.7% 0.042 202.5)
-
Step 900
900
#2C4749
oklch(37.7% 0.033 201.8)
-
Step 950
950
#1A292B
oklch(26.8% 0.021 206.4)
#366367 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) | #5D6067 | 0.050 |
| Deuteranopia (no green cones) | #555967 | 0.047 |
| Tritanopia (no blue cones) | #1D6664 | 0.023 |
| Achromatopsia (no color) | #5C5C5C | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #366367
#366367
oklch(46.9% 0.05 203)
- #74504D
#74504D
oklch(47% 0.049 24.4)
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 #366367, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.030
- Dark Green Blue #1F6357 ΔE 0.035
- Petrol #005F6A ΔE 0.037
- Slate #516572 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.050
- Dusty Grape #545775 ΔE 0.061
Use #366367 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.