#313468
Closest named color: Prussian Blue (#1D3557). oklch(35.1% 0.089 278.3), rgb(49, 52, 104).
Aa
White text reads best on this color (11.52:1).
About this color
#313468 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.089 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.042 away. White text reads best on it, at 11.52:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.82:1 |
| White text | 11.52:1 |
Values
| HEX | #313468 |
| RGB | rgb(49, 52, 104) |
| HSL | hsl(237, 36%, 30%) |
| OKLCH | oklch(35.1% 0.089 278.3) |
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 #313468 | 11.52:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #313468 | 1.82:1 | Fails | Lc 7.5 | Not readable |
| #313468 text on white | 11.52:1 | AAA | Lc 96.4 | Preferred for body text |
| #313468 text on black | 1.82:1 | Fails | Lc 0.0 | Not readable |
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 900.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B6BDEC
oklch(80.9% 0.067 278.2)
-
Step 400
400
#919AE3
oklch(70.8% 0.107 277.9)
-
Step 500
500
#787FDA
oklch(63.1% 0.136 278.4)
-
Step 600
600
#6166C8
oklch(55.5% 0.149 278.2)
-
Step 700
700
#5154AD
oklch(49% 0.139 278.5)
-
Step 800
800
#42468C
oklch(42.8% 0.114 278)
-
Step 900
900 (this color)
#313468
oklch(35.1% 0.089 278.3)
-
Step 950
950
#202341
oklch(27% 0.056 277.7)
#313468 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) | #1D3B6A | 0.030 |
| Deuteranopia (no green cones) | #183767 | 0.032 |
| Tritanopia (no blue cones) | #1B3F49 | 0.077 |
| Achromatopsia (no color) | #393939 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313468
#313468
oklch(35.1% 0.089 278.3)
- #453B00
#453B00
oklch(35.2% 0.073 98.5)
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 #313468, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.042
- Marine Blue #01386A ΔE 0.046
- Twilight Blue #0A437A ΔE 0.056
- Marine #042E60 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.062
- Dark Grey Blue #29465B ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.069
- Gunmetal #293241 ΔE 0.071
Use #313468 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.