#337496
Closest named color: Muted Blue (#3B719F). oklch(53.2% 0.085 234.4), rgb(51, 116, 150).
Aa
White text reads best on this color (5.14:1).
About this color
#337496 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.085 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.020 away. White text reads best on it, at 5.14:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 4.07:1 |
| White text | 5.14:1 |
Values
| HEX | #337496 |
| RGB | rgb(51, 116, 150) |
| HSL | hsl(201, 49%, 39%) |
| OKLCH | oklch(53.2% 0.085 234.4) |
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 #337496 | 5.14:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #337496 | 4.07:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #337496 text on white | 5.14:1 | AA | Lc 75.3 | Fine for body text |
| #337496 text on black | 4.07:1 | AA large text | Lc -26.5 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#AAC5D6
oklch(80.9% 0.038 235.6)
-
Step 400
400
#7BA7C1
oklch(70.6% 0.061 234.7)
-
Step 500
500
#5791B2
oklch(63% 0.079 234.9)
-
Step 600
600 (this color)
#337496
oklch(53.2% 0.085 234.4)
-
Step 700
700
#2C6887
oklch(49.2% 0.079 234.2)
-
Step 800
800
#26556D
oklch(42.8% 0.065 233.3)
-
Step 900
900
#244659
oklch(37.7% 0.051 234.9)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#337496 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) | #647398 | 0.054 |
| Deuteranopia (no green cones) | #566995 | 0.045 |
| Tritanopia (no blue cones) | #007D7F | 0.057 |
| Achromatopsia (no color) | #6D6D6D | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337496
#337496
oklch(53.2% 0.085 234.4)
- #925E3A
#925E3A
oklch(53.1% 0.085 54.5)
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 #337496, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.020
- Sea Blue #047495 ΔE 0.022
- Dull Blue #49759C ΔE 0.024
- Ocean Blue #03719C ΔE 0.027
- Metallic Blue #4F738E ΔE 0.028
- Cerulean #457B9D ΔE 0.029
- Ocean #017B92 ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.032
Use #337496 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.