#312D43
Closest named color: Space Cadet (#2B2D42). oklch(31.1% 0.039 292.3), rgb(49, 45, 67).
Aa
White text reads best on this color (13.23:1).
About this color
#312D43 is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.039 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.011 away. White text reads best on it, at 13.23:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #312D43 |
| RGB | rgb(49, 45, 67) |
| HSL | hsl(251, 20%, 22%) |
| OKLCH | oklch(31.1% 0.039 292.3) |
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 #312D43 | 13.23:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #312D43 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #312D43 text on white | 13.23:1 | AAA | Lc 99.6 | Preferred for body text |
| #312D43 text on black | 1.58:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D6E9
oklch(88.4% 0.026 293.1)
-
Step 300
300
#C1BCDD
oklch(81% 0.046 292.3)
-
Step 400
400
#A198CC
oklch(70.6% 0.076 292.3)
-
Step 500
500
#8B7FBE
oklch(63.2% 0.094 292.2)
-
Step 600
600
#7567AA
oklch(55.5% 0.103 292.3)
-
Step 700
700
#625592
oklch(48.9% 0.096 292.3)
-
Step 800
800
#504677
oklch(42.7% 0.08 292)
-
Step 900
900
#423B60
oklch(37.6% 0.063 291.8)
-
Step 950
950 (this color)
#312D43
oklch(31.1% 0.039 292.3)
#312D43 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) | #283044 | 0.017 |
| Deuteranopia (no green cones) | #282F42 | 0.016 |
| Tritanopia (no blue cones) | #2D3135 | 0.033 |
| Achromatopsia (no color) | #303030 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312D43
#312D43
oklch(31.1% 0.039 292.3)
- #31331B
#31331B
oklch(31.2% 0.039 112.6)
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 #312D43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.011
- Gunmetal #293241 ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.045
- Onyx #343A40 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.048
- Dark #1B2431 ΔE 0.058
- Midnight Green #073B4C ΔE 0.059
Use #312D43 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.