#313268
Closest named color: Prussian Blue (#1D3557). oklch(34.6% 0.092 279.6), rgb(49, 50, 104).
Aa
White text reads best on this color (11.75:1).
About this color
#313268 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.092 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.043 away. White text reads best on it, at 11.75:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.78:1 |
| White text | 11.75:1 |
Values
| HEX | #313268 |
| RGB | rgb(49, 50, 104) |
| HSL | hsl(239, 36%, 30%) |
| OKLCH | oklch(34.6% 0.092 279.6) |
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 #313268 | 11.75:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #313268 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #313268 text on white | 11.75:1 | AAA | Lc 96.8 | Preferred for body text |
| #313268 text on black | 1.78:1 | 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
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D3D7F3
oklch(88.5% 0.039 279.1)
-
Step 300
300
#B7BCED
oklch(80.8% 0.069 280.2)
-
Step 400
400
#9399E4
oklch(70.8% 0.109 279.7)
-
Step 500
500
#797DDD
oklch(63% 0.143 279.7)
-
Step 600
600
#6365CA
oklch(55.6% 0.153 279.3)
-
Step 700
700
#5353AF
oklch(49.1% 0.143 279.8)
-
Step 800
800
#44448E
oklch(42.7% 0.119 280.1)
-
Step 900
900 (this color)
#313268
oklch(34.6% 0.092 279.6)
-
Step 950
950
#212242
oklch(26.9% 0.059 280.3)
#313268 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) | #193A6A | 0.035 |
| Deuteranopia (no green cones) | #143667 | 0.036 |
| Tritanopia (no blue cones) | #1C3E48 | 0.080 |
| Achromatopsia (no color) | #383838 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313268
#313268
oklch(34.6% 0.092 279.6)
- #433A00
#433A00
oklch(34.7% 0.072 99.5)
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 #313268, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.043
- Marine Blue #01386A ΔE 0.047
- Marine #042E60 ΔE 0.056
- Twilight Blue #0A437A ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.070
- Gunmetal #293241 ΔE 0.072
Use #313268 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.