#312F4E
Closest named color: Space Cadet (#2B2D42). oklch(32.2% 0.054 285.9), rgb(49, 47, 78).
Aa
White text reads best on this color (12.74:1).
About this color
#312F4E is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.054 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.025 away. White text reads best on it, at 12.74:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.64:1 |
| White text | 12.74:1 |
Values
| HEX | #312F4E |
| RGB | rgb(49, 47, 78) |
| HSL | hsl(244, 25%, 25%) |
| OKLCH | oklch(32.2% 0.054 285.9) |
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 #312F4E | 12.74:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #312F4E | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #312F4E text on white | 12.74:1 | AAA | Lc 98.8 | Preferred for body text |
| #312F4E text on black | 1.64:1 | 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
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F0
oklch(88.4% 0.036 285.7)
-
Step 300
300
#BCBBE9
oklch(80.8% 0.065 285.9)
-
Step 400
400
#9B97DE
oklch(70.7% 0.103 286)
-
Step 500
500
#837CD5
oklch(63.1% 0.131 285.6)
-
Step 600
600
#6E63C2
oklch(55.6% 0.143 286)
-
Step 700
700
#5C52A8
oklch(49.2% 0.133 285.7)
-
Step 800
800
#4B4388
oklch(42.7% 0.111 286)
-
Step 900
900
#3E396D
oklch(37.6% 0.087 285.8)
-
Step 950
950 (this color)
#312F4E
oklch(32.2% 0.054 285.9)
#312F4E 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) | #26334F | 0.020 |
| Deuteranopia (no green cones) | #25324D | 0.021 |
| Tritanopia (no blue cones) | #2A353A | 0.048 |
| Achromatopsia (no color) | #323232 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312F4E
#312F4E
oklch(32.2% 0.054 285.9)
- #373510
#373510
oklch(32.2% 0.055 106.2)
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 #312F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.025
- Gunmetal #293241 ΔE 0.031
- Prussian Blue #1D3557 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.044
- Onyx #343A40 ΔE 0.050
- Midnight Green #073B4C ΔE 0.057
- Oxford Blue #1B263B ΔE 0.058
- Marine #042E60 ΔE 0.061
Use #312F4E 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.