#312D4D
Closest named color: Space Cadet (#2B2D42). oklch(31.7% 0.056 288.5), rgb(49, 45, 77).
Aa
White text reads best on this color (13.01:1).
About this color
#312D4D is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.056 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.023 away. White text reads best on it, at 13.01:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.61:1 |
| White text | 13.01:1 |
Values
| HEX | #312D4D |
| RGB | rgb(49, 45, 77) |
| HSL | hsl(248, 26%, 24%) |
| OKLCH | oklch(31.7% 0.056 288.5) |
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 #312D4D | 13.01:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #312D4D | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #312D4D text on white | 13.01:1 | AAA | Lc 99.2 | Preferred for body text |
| #312D4D text on black | 1.61:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F1
oklch(88.5% 0.037 287.3)
-
Step 300
300
#BEBAEA
oklch(80.8% 0.067 288.6)
-
Step 400
400
#9E95DF
oklch(70.6% 0.107 288.9)
-
Step 500
500
#877AD6
oklch(63.1% 0.136 288.4)
-
Step 600
600
#7261C4
oklch(55.7% 0.149 288.5)
-
Step 700
700
#6050A9
oklch(49.2% 0.137 288.6)
-
Step 800
800
#4E4289
oklch(42.8% 0.114 288.4)
-
Step 900
900
#40386D
oklch(37.6% 0.088 288.3)
-
Step 950
950 (this color)
#312D4D
oklch(31.7% 0.056 288.5)
#312D4D 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) | #23324E | 0.025 |
| Deuteranopia (no green cones) | #23304C | 0.024 |
| Tritanopia (no blue cones) | #2A3339 | 0.048 |
| Achromatopsia (no color) | #313131 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312D4D
#312D4D
oklch(31.7% 0.056 288.5)
- #35340E
#35340E
oklch(31.7% 0.056 107.8)
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 #312D4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.023
- Gunmetal #293241 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.049
- Oxford Blue #1B263B ΔE 0.054
- Onyx #343A40 ΔE 0.055
- Marine #042E60 ΔE 0.061
- Midnight Green #073B4C ΔE 0.061
Use #312D4D 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.