#312945
Closest named color: Space Cadet (#2B2D42). oklch(30.3% 0.05 296.4), rgb(49, 41, 69).
Aa
White text reads best on this color (13.69:1).
About this color
#312945 is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.050 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.018 away. White text reads best on it, at 13.69:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.53:1 |
| White text | 13.69:1 |
Values
| HEX | #312945 |
| RGB | rgb(49, 41, 69) |
| HSL | hsl(257, 25%, 22%) |
| OKLCH | oklch(30.3% 0.05 296.4) |
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 #312945 | 13.69:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #312945 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #312945 text on white | 13.69:1 | AAA | Lc 100.2 | Preferred for body text |
| #312945 text on black | 1.53:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DBD5ED
oklch(88.5% 0.033 297.2)
-
Step 300
300
#C4B9E3
oklch(80.9% 0.06 297)
-
Step 400
400
#A694D6
oklch(70.7% 0.097 296.4)
-
Step 500
500
#9179CA
oklch(63.2% 0.121 296.4)
-
Step 600
600
#7C60B7
oklch(55.6% 0.133 296.7)
-
Step 700
700
#684F9E
oklch(49.1% 0.124 296.1)
-
Step 800
800
#554180
oklch(42.7% 0.103 296.4)
-
Step 900
900
#463867
oklch(37.8% 0.079 296.1)
-
Step 950
950 (this color)
#312945
oklch(30.3% 0.05 296.4)
#312945 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) | #222E46 | 0.028 |
| Deuteranopia (no green cones) | #232D44 | 0.026 |
| Tritanopia (no blue cones) | #2D2E33 | 0.042 |
| Achromatopsia (no color) | #2D2D2D | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312945
#312945
oklch(30.3% 0.05 296.4)
- #2D3212
#2D3212
oklch(30.4% 0.051 116.9)
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 #312945, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.018
- Gunmetal #293241 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.049
- Dark #1B2431 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.059
- Onyx #343A40 ΔE 0.060
- Jet #212529 ΔE 0.061
Use #312945 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.