#336573
Closest named color: Dark Aqua (#05696B). oklch(47.8% 0.058 218.3), rgb(51, 101, 115).
Aa
White text reads best on this color (6.46:1).
About this color
#336573 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.058 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.033 away. White text reads best on it, at 6.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.24:1 |
| White text | 6.46:1 |
Values
| HEX | #336573 |
| RGB | rgb(51, 101, 115) |
| HSL | hsl(193, 39%, 33%) |
| OKLCH | oklch(47.8% 0.058 218.3) |
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 #336573 | 6.46:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #336573 | 3.24:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #336573 text on white | 6.46:1 | AA | Lc 81.9 | Fine for body text |
| #336573 text on black | 3.24:1 | AA large text | Lc -20.0 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ADC5CD
oklch(80.8% 0.028 219.8)
-
Step 400
400
#81A8B4
oklch(70.7% 0.046 218.6)
-
Step 500
500
#6192A1
oklch(63.1% 0.057 219.1)
-
Step 600
600
#467C8C
oklch(55.5% 0.062 219.1)
-
Step 700
700 (this color)
#336573
oklch(47.8% 0.058 218.3)
-
Step 800
800
#2E5561
oklch(42.6% 0.048 219.9)
-
Step 900
900
#2A474F
oklch(37.8% 0.037 217.2)
-
Step 950
950
#19292E
oklch(26.9% 0.023 219.4)
#336573 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) | #5C6274 | 0.051 |
| Deuteranopia (no green cones) | #525B73 | 0.045 |
| Tritanopia (no blue cones) | #036A69 | 0.037 |
| Achromatopsia (no color) | #5E5E5E | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #336573
#336573
oklch(47.8% 0.058 218.3)
- #7A5245
#7A5245
oklch(47.9% 0.058 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 #336573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.033
- Slate #516572 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.038
- Petrol #005F6A ΔE 0.040
- Denim #3B638C ΔE 0.045
- Deep Turquoise #017374 ΔE 0.047
- Dark Aquamarine #017371 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.051
Use #336573 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.