#337184
Closest named color: Sea Blue (#047495). oklch(51.6% 0.07 220.8), rgb(51, 113, 132).
Aa
White text reads best on this color (5.47:1).
About this color
#337184 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.070 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.031 away. White text reads best on it, at 5.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #337184 |
| RGB | rgb(51, 113, 132) |
| HSL | hsl(194, 44%, 36%) |
| OKLCH | oklch(51.6% 0.07 220.8) |
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 #337184 | 5.47:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #337184 | 3.83:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #337184 text on white | 5.47:1 | AA | Lc 77.1 | Fine for body text |
| #337184 text on black | 3.83:1 | AA large text | Lc -24.6 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#AAC6D0
oklch(80.9% 0.033 221.4)
-
Step 400
400
#7BA9B8
oklch(70.7% 0.054 220)
-
Step 500
500
#5793A7
oklch(63% 0.069 221.4)
-
Step 600
600
#3A7D92
oklch(55.5% 0.075 221.2)
-
Step 700
700 (this color)
#337184
oklch(51.6% 0.07 220.8)
-
Step 800
800
#255665
oklch(42.6% 0.058 220.8)
-
Step 900
900
#244752
oklch(37.6% 0.045 220.5)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#337184 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) | #666E85 | 0.059 |
| Deuteranopia (no green cones) | #5A6584 | 0.053 |
| Tritanopia (no blue cones) | #007777 | 0.040 |
| Achromatopsia (no color) | #696969 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337184
#337184
oklch(51.6% 0.07 220.8)
- #8A5A48
#8A5A48
oklch(51.6% 0.07 41.3)
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 #337184, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.031
- Deep Aqua #08787F ΔE 0.031
- Ocean #017B92 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.035
- Deep Turquoise #017374 ΔE 0.039
- Ocean Blue #03719C ΔE 0.042
- Bluegreen #017A79 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.043
Use #337184 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.