#337F93
Closest named color: Ocean (#017B92). oklch(55.8% 0.08 218.2), rgb(51, 127, 147).
Aa
Black text reads best on this color (4.59:1).
About this color
#337F93 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.080 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.026 away. Black text reads best on it, at 4.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #337F93 |
| RGB | rgb(51, 127, 147) |
| HSL | hsl(193, 48%, 39%) |
| OKLCH | oklch(55.8% 0.08 218.2) |
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 #337F93 | 4.56:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #337F93 | 4.59:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #337F93 text on white | 4.56:1 | AA | Lc 71.5 | Content text, not long reading |
| #337F93 text on black | 4.59:1 | AA | Lc -30.2 | Non-text elements, placeholder text |
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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A8C7D0
oklch(81% 0.036 217.2)
-
Step 400
400
#77AAB9
oklch(70.7% 0.058 218.1)
-
Step 500
500
#5294A7
oklch(63% 0.073 218.6)
-
Step 600
600 (this color)
#337F93
oklch(55.8% 0.08 218.2)
-
Step 700
700
#246B7D
oklch(49.2% 0.074 218)
-
Step 800
800
#205765
oklch(42.7% 0.061 217.5)
-
Step 900
900
#204853
oklch(37.8% 0.049 218.2)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#337F93 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) | #727B94 | 0.069 |
| Deuteranopia (no green cones) | #647193 | 0.062 |
| Tritanopia (no blue cones) | #008685 | 0.040 |
| Achromatopsia (no color) | #767676 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337F93
#337F93
oklch(55.8% 0.08 218.2)
- #9C6351
#9C6351
oklch(55.7% 0.079 38.3)
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 #337F93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.026
- Cerulean #457B9D ΔE 0.027
- Teal Blue #01889F ΔE 0.030
- Stormy Blue #507B9C ΔE 0.034
- Metallic Blue #4F738E ΔE 0.039
- Teal #008080 ΔE 0.040
- Dull Blue #49759C ΔE 0.040
- Deep Aqua #08787F ΔE 0.043
Use #337F93 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.