#312D4C
Closest named color: Space Cadet (#2B2D42). oklch(31.6% 0.055 288.8), rgb(49, 45, 76).
Aa
White text reads best on this color (13.04:1).
About this color
#312D4C is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.055 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.022 away. White text reads best on it, at 13.04:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.61:1 |
| White text | 13.04:1 |
Values
| HEX | #312D4C |
| RGB | rgb(49, 45, 76) |
| HSL | hsl(248, 26%, 24%) |
| OKLCH | oklch(31.6% 0.055 288.8) |
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 #312D4C | 13.04:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #312D4C | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #312D4C text on white | 13.04:1 | AAA | Lc 99.3 | Preferred for body text |
| #312D4C 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
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BEBAE9
oklch(80.8% 0.066 288.7)
-
Step 400
400
#9E96DD
oklch(70.7% 0.103 288.6)
-
Step 500
500
#877AD4
oklch(63% 0.133 288.6)
-
Step 600
600
#7262C1
oklch(55.7% 0.143 288.6)
-
Step 700
700
#6050A7
oklch(49.1% 0.135 288.9)
-
Step 800
800
#4E4287
oklch(42.7% 0.111 288.8)
-
Step 900
900
#41386C
oklch(37.6% 0.087 289.5)
-
Step 950
950 (this color)
#312D4C
oklch(31.6% 0.055 288.8)
#312D4C 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) | #24324D | 0.024 |
| Deuteranopia (no green cones) | #24304B | 0.022 |
| Tritanopia (no blue cones) | #2A3339 | 0.046 |
| Achromatopsia (no color) | #313131 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312D4C
#312D4C
oklch(31.6% 0.055 288.8)
- #34340F
#34340F
oklch(31.6% 0.055 109.2)
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 #312D4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.022
- Gunmetal #293241 ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.049
- Oxford Blue #1B263B ΔE 0.054
- Onyx #343A40 ΔE 0.054
- Midnight Green #073B4C ΔE 0.061
- Marine #042E60 ΔE 0.062
Use #312D4C 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.