#337488
Closest named color: Ocean (#017B92). oklch(52.5% 0.073 221), rgb(51, 116, 136).
Aa
White text reads best on this color (5.25:1).
About this color
#337488 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.073 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.027 away. White text reads best on it, at 5.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #337488 |
| RGB | rgb(51, 116, 136) |
| HSL | hsl(194, 45%, 37%) |
| OKLCH | oklch(52.5% 0.073 221) |
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 #337488 | 5.25:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #337488 | 3.99:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #337488 text on white | 5.25:1 | AA | Lc 75.9 | Fine for body text |
| #337488 text on black | 3.99:1 | AA large text | Lc -25.8 | 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
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#AAC6D0
oklch(80.9% 0.033 221.4)
-
Step 400
400
#7CA9B8
oklch(70.8% 0.053 220.5)
-
Step 500
500
#5993A6
oklch(63.1% 0.067 220.9)
-
Step 600
600 (this color)
#337488
oklch(52.5% 0.073 221)
-
Step 700
700
#2E697C
oklch(49% 0.068 222)
-
Step 800
800
#285665
oklch(42.7% 0.056 221.9)
-
Step 900
900
#254752
oklch(37.7% 0.044 221)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#337488 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) | #687189 | 0.060 |
| Deuteranopia (no green cones) | #5C6888 | 0.054 |
| Tritanopia (no blue cones) | #007A7A | 0.040 |
| Achromatopsia (no color) | #6C6C6C | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337488
#337488
oklch(52.5% 0.073 221)
- #8E5C49
#8E5C49
oklch(52.5% 0.072 41.6)
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 #337488, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.027
- Sea Blue #047495 ΔE 0.028
- Deep Aqua #08787F ΔE 0.030
- Metallic Blue #4F738E ΔE 0.030
- Dull Blue #49759C ΔE 0.040
- Ocean Blue #03719C ΔE 0.041
- Cerulean #457B9D ΔE 0.041
- Bluegreen #017A79 ΔE 0.042
Use #337488 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.