#337685
Closest named color: Deep Aqua (#08787F). oklch(52.9% 0.071 214.7), rgb(51, 118, 133).
Aa
White text reads best on this color (5.15:1).
About this color
#337685 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.071 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.025 away. White text reads best on it, at 5.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #337685 |
| RGB | rgb(51, 118, 133) |
| HSL | hsl(191, 45%, 36%) |
| OKLCH | oklch(52.9% 0.071 214.7) |
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 #337685 | 5.15:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #337685 | 4.07:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #337685 text on white | 5.15:1 | AA | Lc 75.3 | Fine for body text |
| #337685 text on black | 4.07:1 | AA large text | Lc -26.4 | 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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#AAC6CD
oklch(80.8% 0.032 214.5)
-
Step 400
400
#7CA9B4
oklch(70.6% 0.051 214.5)
-
Step 500
500
#5894A2
oklch(63.1% 0.066 214.3)
-
Step 600
600 (this color)
#337685
oklch(52.9% 0.071 214.7)
-
Step 700
700
#2D6A78
oklch(49% 0.066 215.2)
-
Step 800
800
#275762
oklch(42.8% 0.055 214.8)
-
Step 900
900
#254750
oklch(37.6% 0.042 216.9)
-
Step 950
950
#162A2F
oklch(27% 0.027 215.5)
#337685 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) | #6B7286 | 0.064 |
| Deuteranopia (no green cones) | #5F6985 | 0.059 |
| Tritanopia (no blue cones) | #007C7B | 0.035 |
| Achromatopsia (no color) | #6D6D6D | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337685
#337685
oklch(52.9% 0.071 214.7)
- #905C50
#905C50
oklch(52.9% 0.072 33.6)
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 #337685, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.025
- Ocean #017B92 ΔE 0.026
- Sea Blue #047495 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.034
- Bluegreen #017A79 ΔE 0.035
- Teal #008080 ΔE 0.038
- Deep Turquoise #017374 ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.043
Use #337685 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.