#307393
Closest named color: Sea Blue (#047495). oklch(52.7% 0.084 232.2), rgb(48, 115, 147).
Aa
White text reads best on this color (5.25:1).
About this color
#307393 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.084 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.019 away. White text reads best on it, at 5.25:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #307393 |
| RGB | rgb(48, 115, 147) |
| HSL | hsl(199, 51%, 38%) |
| OKLCH | oklch(52.7% 0.084 232.2) |
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 #307393 | 5.25:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #307393 | 3.99:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #307393 text on white | 5.25:1 | AA | Lc 75.8 | Fine for body text |
| #307393 text on black | 3.99:1 | AA large text | Lc -25.9 | 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
#A9C5D5
oklch(80.8% 0.038 233)
-
Step 400
400
#7AA8C0
oklch(70.7% 0.06 231.4)
-
Step 500
500
#5792B0
oklch(63.1% 0.076 231.9)
-
Step 600
600 (this color)
#307393
oklch(52.7% 0.084 232.2)
-
Step 700
700
#2B6885
oklch(49% 0.078 232.1)
-
Step 800
800
#25556C
oklch(42.7% 0.064 231.8)
-
Step 900
900
#244658
oklch(37.7% 0.05 233.4)
-
Step 950
950
#162933
oklch(26.9% 0.031 232.5)
#307393 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) | #637295 | 0.055 |
| Deuteranopia (no green cones) | #556893 | 0.047 |
| Tritanopia (no blue cones) | #007C7E | 0.054 |
| Achromatopsia (no color) | #6C6C6C | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307393
#307393
oklch(52.7% 0.084 232.2)
- #915C3B
#915C3B
oklch(52.6% 0.084 51.9)
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 #307393, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.019
- Muted Blue #3B719F ΔE 0.024
- Ocean Blue #03719C ΔE 0.026
- Ocean #017B92 ΔE 0.029
- Dull Blue #49759C ΔE 0.029
- Metallic Blue #4F738E ΔE 0.030
- Cerulean #457B9D ΔE 0.035
- Flat Blue #3C73A8 ΔE 0.037
Use #307393 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.