#312768
Closest named color: Marine (#042E60). oklch(32.4% 0.109 285.6), rgb(49, 39, 104).
Aa
White text reads best on this color (12.95:1).
About this color
#312768 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.109 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.057 away. White text reads best on it, at 12.95:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.62:1 |
| White text | 12.95:1 |
Values
| HEX | #312768 |
| RGB | rgb(49, 39, 104) |
| HSL | hsl(249, 45%, 28%) |
| OKLCH | oklch(32.4% 0.109 285.6) |
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 #312768 | 12.95:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #312768 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #312768 text on white | 12.95:1 | AAA | Lc 98.9 | Preferred for body text |
| #312768 text on black | 1.62:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F7
oklch(88.4% 0.047 286.8)
-
Step 300
300
#BBBAF4
oklch(81% 0.081 285.2)
-
Step 400
400
#9A93EE
oklch(70.6% 0.131 286)
-
Step 500
500
#8376E9
oklch(63.2% 0.168 285.7)
-
Step 600
600
#6E5BD7
oklch(55.6% 0.183 285.8)
-
Step 700
700
#5C4ABA
oklch(49% 0.169 285.7)
-
Step 800
800
#4B3E97
oklch(42.8% 0.14 285.5)
-
Step 900
900 (this color)
#312768
oklch(32.4% 0.109 285.6)
-
Step 950
950
#242046
oklch(27% 0.069 285.6)
#312768 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) | #00336A | 0.057 |
| Deuteranopia (no green cones) | #002F67 | 0.056 |
| Tritanopia (no blue cones) | #1D3643 | 0.092 |
| Achromatopsia (no color) | #313131 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312768
#312768
oklch(32.4% 0.109 285.6)
- #393500
#393500
oklch(32.3% 0.068 105)
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 #312768, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.057
- Midnight Blue #191970 ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.059
- Marine Blue #01386A ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.074
- Royal Purple #4B006E ΔE 0.077
- Indigo #4B0082 ΔE 0.082
- Gunmetal #293241 ΔE 0.084
Use #312768 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.