#312964
Closest named color: Prussian Blue (#1D3557). oklch(32.5% 0.1 285.6), rgb(49, 41, 100).
Aa
White text reads best on this color (12.86:1).
About this color
#312964 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.100 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.052 away. White text reads best on it, at 12.86:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.63:1 |
| White text | 12.86:1 |
Values
| HEX | #312964 |
| RGB | rgb(49, 41, 100) |
| HSL | hsl(248, 42%, 28%) |
| OKLCH | oklch(32.5% 0.1 285.6) |
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 #312964 | 12.86:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #312964 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #312964 text on white | 12.86:1 | AAA | Lc 98.8 | Preferred for body text |
| #312964 text on black | 1.63:1 | 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
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D6D6F4
oklch(88.5% 0.041 285.5)
-
Step 300
300
#BBBAF0
oklch(80.8% 0.076 285.4)
-
Step 400
400
#9A95E8
oklch(70.7% 0.12 285.7)
-
Step 500
500
#8378E1
oklch(63.1% 0.154 285.9)
-
Step 600
600
#6D5FCF
oklch(55.6% 0.167 285.3)
-
Step 700
700
#5C4DB3
oklch(49% 0.156 285.9)
-
Step 800
800
#4B4091
oklch(42.7% 0.129 285.8)
-
Step 900
900 (this color)
#312964
oklch(32.5% 0.1 285.6)
-
Step 950
950
#242144
oklch(27.1% 0.064 285.2)
#312964 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) | #063366 | 0.052 |
| Deuteranopia (no green cones) | #043063 | 0.053 |
| Tritanopia (no blue cones) | #203642 | 0.084 |
| Achromatopsia (no color) | #323232 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312964
#312964
oklch(32.5% 0.1 285.6)
- #393600
#393600
oklch(32.5% 0.069 106.2)
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 #312964, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.052
- Marine #042E60 ΔE 0.054
- Marine Blue #01386A ΔE 0.060
- Midnight Blue #191970 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.066
- Gunmetal #293241 ΔE 0.075
- Dark Blue Grey #1F3B4D ΔE 0.078
- Royal Purple #4B006E ΔE 0.082
Use #312964 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.