#312E4C
Closest named color: Space Cadet (#2B2D42). oklch(31.9% 0.053 287.6), rgb(49, 46, 76).
Aa
White text reads best on this color (12.91:1).
About this color
#312E4C is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.053 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.021 away. White text reads best on it, at 12.91:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.62:1 |
| White text | 12.91:1 |
Values
| HEX | #312E4C |
| RGB | rgb(49, 46, 76) |
| HSL | hsl(246, 25%, 24%) |
| OKLCH | oklch(31.9% 0.053 287.6) |
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 #312E4C | 12.91:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #312E4C | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #312E4C text on white | 12.91:1 | AAA | Lc 99.1 | Preferred for body text |
| #312E4C 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 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
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BEBBE8
oklch(81% 0.063 288)
-
Step 400
400
#9D97DC
oklch(70.8% 0.1 287.5)
-
Step 500
500
#867CD2
oklch(63.2% 0.127 287.5)
-
Step 600
600
#7063BF
oklch(55.6% 0.139 287.5)
-
Step 700
700
#5E52A5
oklch(49.2% 0.129 287.3)
-
Step 800
800
#4D4386
oklch(42.7% 0.108 287.8)
-
Step 900
900
#40396B
oklch(37.7% 0.084 288.1)
-
Step 950
950 (this color)
#312E4C
oklch(31.9% 0.053 287.6)
#312E4C 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) | #25324D | 0.021 |
| Deuteranopia (no green cones) | #25314B | 0.021 |
| Tritanopia (no blue cones) | #2A3339 | 0.044 |
| Achromatopsia (no color) | #313131 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312E4C
#312E4C
oklch(31.9% 0.053 287.6)
- #353411
#353411
oklch(31.7% 0.053 107.5)
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 #312E4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.021
- Gunmetal #293241 ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.046
- Onyx #343A40 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.055
- Midnight Green #073B4C ΔE 0.058
- Marine #042E60 ΔE 0.062
Use #312E4C 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.