#312159
Closest named color: Space Cadet (#2B2D42). oklch(30% 0.097 292.8), rgb(49, 33, 89).
Aa
White text reads best on this color (14.07:1).
About this color
#312159 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.097 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.060 away. White text reads best on it, at 14.07:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.07:1 |
Values
| HEX | #312159 |
| RGB | rgb(49, 33, 89) |
| HSL | hsl(257, 46%, 24%) |
| OKLCH | oklch(30% 0.097 292.8) |
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 #312159 | 14.07:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #312159 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #312159 text on white | 14.07:1 | AAA | Lc 100.5 | Preferred for body text |
| #312159 text on black | 1.49:1 | 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 950.
-
Step 50
50
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#DAD2FF
oklch(88.5% 0.062 293.2)
-
Step 300
300
#C3B4FF
oklch(80.9% 0.105 293.1)
-
Step 400
400
#A689FF
oklch(70.7% 0.169 292.9)
-
Step 500
500
#9364FF
oklch(63.1% 0.22 293)
-
Step 600
600
#803CF6
oklch(55.5% 0.254 292.7)
-
Step 700
700
#6D2BD6
oklch(49.1% 0.236 292.9)
-
Step 800
800
#5827AD
oklch(42.6% 0.195 292.7)
-
Step 900
900
#482889
oklch(37.8% 0.152 292.8)
-
Step 950
950 (this color)
#312159
oklch(30% 0.097 292.8)
#312159 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) | #012C5B | 0.063 |
| Deuteranopia (no green cones) | #052A58 | 0.060 |
| Tritanopia (no blue cones) | #262D39 | 0.077 |
| Achromatopsia (no color) | #2B2B2B | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312159
#312159
oklch(30% 0.097 292.8)
- #2E3100
#2E3100
oklch(30% 0.067 113.4)
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 #312159, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.060
- Marine #042E60 ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.063
- Midnight Blue #191970 ΔE 0.064
- Dark Indigo #1F0954 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.071
- Deep Violet #490648 ΔE 0.074
- Dark Purple #35063E ΔE 0.074
Use #312159 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.